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A lunar eclipse can only occur during which phase of the Moon?
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A person standing where the Moon's penumbra touches Earth will see
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QuestionAnswer
A lunar eclipse can only occur during which phase of the Moon? full
A person standing where the Moon's penumbra touches Earth will see partial solar eclipse
A person traveling westward across the International Date Line gains a day. true
According to the plate tectonics theory, sea-floor spreading occurs at a divergent boundary
An apparent solar day is all of the above
As viewed from space above the North Pole, Earth rotates clockwise. false
Basalt and granite are examples of metamorphic rocks. false
During which month of the year does Earth receive the greatest average energy from the Sun? january
During which phase of the Moon would we most likely see a solar eclipse? new
Evidence shows that Earth's magnetic field is diminishing with time and may reverse orientations by the end of the next 2,000 years
Evidence that Earth is rotating is provided by the motion of a pendulum
Evidence that Earth's magnetic field has undergone numerous reversals can be found in the orientation of iron minerals that cooled in once molten rock
Fine-grained igneous rocks formed as magma cooled slowly. false
For the last 3 billion years the surface of the Moon has been relatively quiet
Geologists think that oceanic crust is different from continental crust because seismic waves travel at different speeds through these layers
If you were flying east on a jet across three times zones and your watch read 12:00 noon when you landed, you should set it to 3:00PM
Igneous rocks that formed by cooling slowly from a molten magma will have coarse grains
Igneous, sedimentary, and metamorphic rocks have undergone little change since Earth formed false
In the time 9:00 AM, the "AM" means before the meridian
Latitude is a measure of how far north or south one is from the equator. true
Long, high and continuous mountain ranges run through the middle of the oceans. true
Molten rock material from which minerals can crystallize is called magma. true
Most of Earth's mass is contained in the mantle
Most rocks are composed of minerals that are silicates
Neap tides result when the Moon is in the quarter phase
North of the Tropic of Cancer, the Sun appears directly overhead at noon never
On the Summer Solstice, the Sun rises south of due east, and sets south of due west false
P-waves travel through both solid and liquid rock, but S-waves cannot travel through liquid true
Sandstone is sand that has been consolidated into a solid mass true
Sedimentary rocks were formed from particles or dissolved materials from older rocks true
Seismic waves show a sudden increase at the Mohorovicic discontinuity because the composition of minerals on both sides of the layer is different
The Himalayan Mountains were formed as a result of continent-continent plate convergence
The Julian calendar adjusted for the fact that Earth's year was not exactly 365 days by adding a day every fourth year. true
The San Andreas Fault is the site of a transform boundary
The ancient Greeks believed that the shape of Earth was a perfect sphere
The asthenosphere is a plastic layer in which the lithosphere is imbedded
The average temperature of Earth is slightly lower in January because then Earth is at its greatest distance from the Sun. false
The axis of Earth's rotation will not always point towards Polaris due to precession. true
The fact that there are seasons on Earth is largely due to the tilt of the Earth's axis
The findings from the Apollo space missions to the Moon support the idea that the Moon formed from the impact of Earth with a very large object. true
The formation of which of the following rocks helps remove CO2 from the atmosphere? limestone
The most common rock type in Earth's crust is igneous
The path of a plane flying due north from a spot on the equator would appear to curve to the east
The position of a spot on the floor made by a sunbeam traces out a "figure eight" pattern over the course of a year. true
The slow wobble of Earth's axis is called precession
The various sedimentary rocks such as conglomerate and sandstone are identified by particle size
We always see the same side of the Moon because the Moon's periods of rotation and revolution are the same
Weathered sediments are pressed and cemented to form sedimentary rocks
Which of the following statements about Earth's core is true? the core is mostly made of iron
Which of the following statements about seismic waves is not true? both P-waves and S-waves travel readily through molten rock
A comet's tail always trails behind it throughout its journey through the solar system false
A dwarf planet of the solar system is all of the above
A light-year is a measure of astronomical distance. true
A protostar is an accumulation of gases in outer space that will become a star. true
About how old is the universe? 13.7 billion years
Compared to a star like the Sun, a blue-white star all of the above
Earth moves most rapidly in its orbit around January 3
Earth rotates from west to east
Earth, other planets, and the rest of the solar system formed billions of years ago from elements created in previously existing stars
How far Polaris appears above the horizon depends on your latitude
If the density of the universe is less than a critical value, then it might continue expanding forever
It is impossible to theorize about the formation of the solar system because no other planetary systems can be observed false
It is known that if there is sufficient dark matter in the universe, then the universe will eventually stop its expansion. false
More massive stars tend to use up their supply of hydrogen more rapidly. true
Most of the mass of the solar system is found in the sun
Most of the stars plotted on a H-R diagram are main sequence stars
Nuclear fusion reactions occur in what part of a star? core
One of the following planets is denser than the others earth
Our model of the surface features of Venus was obtained by radar mapping from the magellan probe
Photographs of the surface of Mars provides evidence that liquid water once flowed on its surface true
Red giants are enormously bright because they are extremely hot. false
Remnants of asteroids or comets that survive the trip through Earth's atmosphere to strike the surface are called meteorites
Stonehenge is an ancient observatory built in england
Strong evidence about former existing life has been found on none of the above
The Milky Way galaxy is spiral
The Sun has hundreds of times more mass than all the rest of the solar system true
The absolute magnitude considers the brightness of a star when at a standard distance true
The asteroids forming a belt between the orbits of Mars and Jupiter were prevented from forming a planet by the strong gravitational field of Jupiter. true
The brightest object in the sky after the Sun and Moon is venus
The core of a star is plasma with the density of solid lead. true
The density of the planet Saturn is so low that it would float in water. true
The difference in brightness between two stars is related to the all of the above
The elements heavier than iron in Earth were formed by the supernova explosions of other stars true
The eventual fate of our Sun is to become a white dwarf
The expected life span of a star the size of the Sun is 10 billion years
The greater the apparent magnitude, the brighter the star. false
The polar ice caps of Mars is believed to consist mostly of solid carbon dioxide
The smallest planet in the solar system is mercury
The surface temperature of Venus is so high because its atmosphere traps much of the incoming solar energy
The temperature on the surface of Venus is hot enough to melt lead. true
Venus, the sister planet to Earth, has an atmosphere whose composition is similar to that of Earth. false
When a massive star exhausts its supply of hydrogen fuel, it becomes a supernova false
Where a main sequence star is located on the H-R diagram depends on its temperature and its mass
Which of the following depends on your location on Earth? celestial meridian
Which of the following is true about the surface of Mars? it is much too cold for liquid to exist
Which of the following star colors has the highest temperature? blue
Which of the following statements about comets is not true? most comets have elliptical orbits with periods around one hundred years
Which of the following statements about the length of a planet's day is true? none of the above
Which planets have no moons? mercury and venus
Which type of star has the shortest life span? large, very massive
Which of the following object does not emit light? the moon
When you see a rainbow, you know for sure that you are between the sun in one direction and falling rain in the other direction
When monochromatic light from two slits arrive at a point on a screen out of phase, a dark region in produced
When an electric stove element is hot enough, it gives off a dull red glow. When it cools to the point that it no longer glows, it will emit longer wavelength radiation
Ultraviolet light carries more energy than infrared radiation. true
Total internal reflection all of these are true
Today, light is understood to be adequately explained as having both eave and particle behavior
The slower light travels in a given medium, the greater the index of refraction. true
The sky appears to be blue because blue light has short wavelengths and is scattered most
The sky appears blue due to the light reflected from the oceans false
The radiation from the Sun is most intense near the yellow-green wavelength. true
The photoelectric effect could not be adequately explained with a wave model of light because the energy of the ejected electrons did not depend upon the intensity
The image formed by a plane mirror is virtual
The change in the direction of light as it passes through the boundary between two media is called refraction true
The Sun appears reddish as it sets because more of the shorter, bluer wavelengths have been scattered away
Polarized light vibrates only in one plane
Max Planck discovered that the blackbody radiation emitted by vibrating molecules appeared to come in multiples of certain fixed amounts
Longer wavelengths are affected more by a prism or water droplets than are the shorter wavelengths false
Interference is a property of light most easily explained by the particle model false
Interference can be most easily explained in terms of the wave model of light
Green grass absorbs all light but green light
Glare is light that tends to be polarized predominantly in the horizontal plane true
An image that does not have light rays coming from the image, but is the result of your brain's interpretations of light rays is called a virtual image
A prism separates the colors of sunlight into a spectrum because each wavelength of light has its own index of refraction
A luminous object is an object that produces light
A bird lands on a non-insulated, 80,000-volt high line. Will it receive a shock? false
A decibel noise level of 40 would be most likely found on a typical day in the library
A neutral atom gains one or more electrons and is now called a negative ion
A ratio of joules per coulomb (J/C) is also know of as a(an) volt
A sound wave that moves through the air is pulses of increased and decreased air pressure
A stationary source emits a sound at a constant frequency. If you run toward the source the frequency you hear will be higher
An electric current is measured in units of amp
An object becomes positively charged by gaining protons. false
Charge moving through a wire produces a magnetic field around the wire. true
Which of the following is true about waves A and B? B has a higher frequency than A
If you steadily pushed the bar magnet through a coil of wire as shown, a constant current would flow through the wire
During a track and field meet, the time difference between seeing the smoke from a starter's gun and hearing the "bang" would be less on a warmer day
Earth's north magnetic pole is a magnetic south pole
If v = λf, then how are λ and f related? λ is inversely proportional to f.
If you double the distance between two charged objects, you reduce the electrical force by a factor of four true
If you multiply amps × volts the answer will be in units of power
If you were to mechanically rotate the armature in an electric motor the motor would behave like a generator
Reverse the direction of a current in a wire, and the magnetic field around the wire will have a reverse north pole direction
Sound waves in air all of the above
The attractive force between two unlike charges has the same strength as the repulsive force between two like charges. true
The bending of a wave at the boundary between two media is called refraction
The characteristic of a sound wave that you interpret as volume is related to amplitude
The electrical force is much weaker than the force of gravity false
The frequency of a vibration is measured in units of cycles per second
The higher the frequency of a sound wave the higher the pitch
The magnitude of the resistance of a wire depends on all of these are true
The range of normal human hearing is 20 to 20,000 Hz
The ratio of work done to charge that is moved by a battery is a(an) volt
The resistance of an extension cord varies directly with the length of the cord. true
The restoring force of a spring is proportional to the displacement of the object at the end true
The size of a current in a conductor depends on the _____ as well as the voltage. resistance
The strength of a magnetic field around a current-carrying wire varies directly with the amperage of the current
The time that is required for a vibrating object to complete one full cycle is called the period
The unit of electric charge is called a(an) coulomb
The wave front of a refracted sound bends toward cooler air
Through which medium will sound travel most rapidly? vacuum
Transverse mechanical waves can pass through solids
Two sound waves of unequal amplitudes with different frequencies will result in alternation of loudness of sound known as beats
Two in-phase sound waves with the same amplitude and frequency arrive at the same place at the same time, resulting in a new sound wave with greater amplitude
Two out-of-phase sound waves with the same amplitude and frequency arrive at the same place at the same time, resulting in cancellation of the two sound waves
Waves that move through air are transverse. false
A 10 degree temperature change on the Fahrenheit scale would be equivalent to what size change on the Celsius scale? 5.6
A car is traveling twice as fast as an identical car. How much more work will be needed to stop the car traveling twice as fast? four times as much
A gas that is usually found in the liquid phase is called a vapor
A heat engine is designed to convert heat into mechanical energy
A spring-loaded paper clamp exerts a force of 2 N on 10 sheets of paper it is holding tightly together. Is the clamp doing work as it holds the papers together? false
An abundant but dirty energy source is coal
Conduction best takes place in a solid
Convection best takes place in a fluid
Evaporation occurs more rapidly at a higher temperature because higher temperature means higher kinetic energy
If you want to move heat from a region of cooler temperature to a region of warmer temperature, you must supply energy. This is described by the second law of thermodynamics
In the equation: Q = mc∆t, the c stands for the specific heat
Kinetic energy refers to energy of motion
Liquid water at 0˚C has to give up energy in order to become ice at 0˚C. true
Molecules in a solid are held in nearly fixed positions by strong attractive forces
More molecules are returning to the liquid state than are leaving the liquid state. This process is called condensation
Nearly all of the energy consumed today is provided by petroleum, coal, hydropower and nuclear sources true
Radiation is the only method of heat transfer that can take place in a vacuum
Solids have a greater strength of attraction between its molecules than liquids. true
Temperature is a measure of the amount of heat stored in a substance false
The Celsius core body temperature of an average, healthy human is nearest to 37
The degrees on the Celsius scale are larger than degrees on the Fahrenheit scale. true
The energy required to warm one gram of water by one Celsius degree is called a calorie
The energy supplied to a system in the form of heat, minus the work done by the system, is equal to the change in internal energy. This statement describes the first law of thermodynamics
The evaporation of water cools the surroundings and the condensation of this vapor warms the surroundings
The increase in potential energy caused by lifting an object can be calculated by multiplying its weight by its change in height. true
The molecules of a gas are much farther apart than molecules in a solid or liquid. true
The nutritionist's Calorie is really a kilocalorie. true
The process by which solids vaporize without first becoming a liquid is called sublimation
The rate at which work is done is power
The specific heat of copper is roughly three times as great as the specific heat of gold. Which of the following is true? A piece of copper stores three times as much heat at the same temperaure
The transfer of heat that occurs when energy moves from molecules to molecule is called conduction
The water in a swimming pool is cooler than the surrounding sidewalk because has a higher specific heat
Two students stand poised to leap off a high dive structure into the swimming pool below. Student B is twice as massive as student A. Which of the following is true? Student B did twice as much work climbing to the top of the structure
According to PE=mgh, gravitational potential energy is the same thing as work against a vertical change of position
Water molecules move back and forth between the liquid and gaseous phases at all times
What form of heat transfer will warm your body without warming the air in a room? radiation
When a light bulb is rated at 60 W, it means that each second, the bulb converts 60J of electrical energy, to heat and light
The watt W is a unit of power
Which of the following is a renewable energy source? biodiesel
Which one of the following has an appropriate unit? all of the above
Which path would result in more work accomplished in moving a box to the same spot on a table? All would be equal
Which temperature scale does not have arbitrarily assigned reference points? Kelvin
A block of iron is transported to the moon. Which of the following is true? The mass remains the same, but the weight decreases
A cannon ball and a bowling ball were dropped at the same time from the top of a building. At the instant before the balls hit the sidewalk, the cannon ball has greater momentum
A cannonball is fired straight up at 50 m/s. Neglecting air resistance, when it returns to its starting point, its speed is 50 m/s
A car moving at 60 mi/h comes to a stop in 10 s when the driver slams on the brakes. In this situation, what does 60 mi/h represent? Initial speed
A car traveling at 20 mph on a curved exit ramp has a constant velocity. false
Acceleration occurs when an object undergoes any of the above
After being released, a ball thrown straight down from a bridge would have an acceleration of 9.8 m/s2
An object accelerates when its speed or direction changes. true
An object is moving in a straight line at unchanging speed. This means that all forces on the object are balanced
For a constant mass the acceleration of an object is directly proportional to the applied force. true
From the equation w = mg, it is apparent that weight is equivalent to a(an) force
How fast an object is moving in a particular direction is described by velocity
If a 16 lb bowling ball and a 10 lb bowling ball are dropped from the 5th floor at the same time the heavier ball will reach the ground first. false
If a net force applied to an object doubles, then its acceleration doubles
Ignoring air resistance, a falling object will have a speed of 9.8 m/s at the end of 1 s and will fall a distance of 4.9 m
Ignoring air resistance, the velocity of a falling object is constantly increasing
Neglecting air resistance, a ball in freefall near Earth's surface will have increasing speed and constant acceleration
The difference in speed and velocity is that a measure of velocity must include direction
The newton is a unit of force
The pound is an English unit of measure; its SI counterpart is the newton
The product of the mass (m) and velocity (v) of an object is known as the momentum
The speed calculated from the distance traveled during an entire trip and the elapsed time is a(an) average speed
The tendency of a moving object to remain in unchanging motion in the absence of an unbalanced force is called inertia
Which if the following is not a unit of acceleration m/s
Which of the following is not a unit of speed? g/L
A condition that lifts a parcel of air to form cumulus clouds is all of the above
A cyclone is centered about a region of low pressure
A parcel of air that rises undergoes cooling by expansion
A peneplain is a nearly flat rolling plain produced by erosion
A psychrometer measures relative humidity
A rock that experiences plastic strain in response to stress cannot return to its original shape when the stress is relieved
A stream in its youth exhibits which of the following sets of characteristics? steep gradient and a V-shaped valley
A warm front forms when a warm air mass advances over a mass of cooler air
A wind deposit that often makes productive farmland is loess
An airplane flying at 35,000 feet is above what percent of Earth's atmosphere? 75%
Brief periods of showers are usually associated with which cloud type? cumulus
Carrying rock fragments to a new location is called transportation
Compared to an earthquake of magnitude 5, an earthquake of magnitude 7 produces 100 times as much ground movement
Deposits of bulldozed rocks that remain after a glacier melts are called moraines
Dew is more likely to form all of the above
Dissolving a rock in acid is the equivalent of chemical weathering
Frost is more likely to form on objects with greater surface area
Glaciers form when snow accumulates to form ice, which begins to flow
Hot air rising from the equatorial regions cools and descends to form a belt of dry, high-pressure air
How does the average amount of water that returns to the oceans by precipitation compare to the water that leaves by evaporation? evaporation is greater than precipitation
Longer periods of drizzle, rain or snow are usually associated with which cloud type? stratus
Normal atmospheric pressure is enough to support a column of mercury approximately 76.0 cm high
On a clear, calm night, you would expect the air in a valley to be cooler than that on a hillside
On the eastern side of mountains in Oregon and Washington the air tends to be warm and dry
People have found the Principle of Uniformity difficult to accept because they all of the above
Picking up small pieces of smashed rock is called erosion
Seismic waves are produced when rocks rupture or break under stress
The Columbia Plateau in Washington, Idaho and Oregon is made of many layers of basalt
The Sierra Nevada in California is a classic example of faulting and upthrust
The atmospheric concentration of carbon dioxide is regulated by all of the above
The chief difference between fog and a cloud is the altitude of the tiny water droplets
The greenhouse effect results in warmer temperatures near the surface because some of the energy that would ordinarily escape is re-radiated toward the surface
The main volcanic mountains are those associated with diverging plate boundaries
The point of initial rock movement along a fault during an earthquake is called the focus
The principle components of Earth's atmosphere are nitrogen, oxygen and argon
The red soils of Oklahoma and Georgia are due to the presence of iron oxides
The way a given rock responds to a stress depends on all of the above
The wind chill factor measures the effect of low temperature and wind on humans
There are greater temperature extremes in North Dakota than in the state of Washington because there is no ocean near North Dakota
Ventifacts are rocks sculpted by wind abrasion
Weathering involves the mechanical and chemical breakup of rocks
When a stream flows into a body of water it often forms a
When subjected to stress, rocks at great depths and high temperature tend to undergo plastic strain
When water vapor in the atmosphere condenses to liquid water, a cloud forms
Which cloud type is usually associated with the arrival of a cold front? towering cumulus
Which of the following is not considered to be a form of precipitation? dew
Which of the following materials is least susceptible to chemical weathering? quartz
Which of the mountain-building processes is most responsible for the features of the Rocky Mountains? compressional folding
Which sequence of processes occurs in the correct order? weathering, erosion, transportation
Your ears "pop" when your plane descends because air is moving from the outside into behind your eardrum
A current that moves parallel to the shore in the surf zone is called a longshore current
A layer of heavy clay after a rain would be neither porous nor permeable
A watershed is the land area drained by a stream
About what is the average concentration of salts in Earth's oceans? 3.5%
All of the following are features of ocean basins except submarine canyons
An object floating on the surface when a waves passes moves up and forward, then down and backward
Compared to the amount of surface water the amount of water stored in groundwater is roughly 25 times as great
At what point would waves whose wavelength is 20 m begin to experience friction with the bottom? C
Considering only available sunlight and the ability to dissolve gases, the most abundant plant life should be found in a cool, relatively shallow ocean
Dense, high salinity water from the Atlantic Ocean flows into the Mediterranean Sea, making it one of the saltier seas. false
Of the total water supply, what is the amount that is available for human consumption and agriculture? less than 1%
Plant life in the upper, sunlit water tends to reduce the concentration of carbon dioxide and increase the concentration of dissolved oxygen gas. true
Surface ocean currents are generally driven by the prevailing winds
The Gulf of Mexico is a shallow sea of the Atlantic Ocean
The average daily water consumption in the United States is roughly ____ liters/day 5,700
The characteristics of ocean waves are influenced by all of the above
The greatest volume of water is moved by the the Gulf Stream
The largest freshwater reservoir in the world is glaciers and ice caps
The two most common ions in seawater are sodium and chlorine
The water table is an underground layer of water that tends to follow the topography of the surface. false
The water that evaporates from lakes and streams is fresh, whereas water evaporating from the oceans is salty. false
The water that runs in permanent streams comes from groundwater that has seeped into the stream channel
Waves "break" as they approach a shore due to the friction between the bottom and the moving water true
Which of the following statements about seamounts is false? iceland is an example of a giant seamount in the Atlantic Ocean
Which of the following statements about the continental shelf is false? it is the transition between the continent and the deep ocean basins
A sound wave that moves through the air is pulses of increased and decreased air pressure
Consider the diagram of two waves in the same medium: up and down amplitude
Consider the diagram of two waves in the same medium: top of one wave to top of next wave wavelength
In order to be operational, a complete electric circuit must contain a source of energy, a device that does work, and a conductor from the source to the working device and another conductor back to the source
The electric field lines in the diagram below indicate that (the face picture) 1 is a (+) and 2 is a (-) charge
The north end of a magnetic compass needle does not always point to the geographic North Pole because the geographic and magnetic North Poles are not in the same place
The strength of a magnetic field around a current-carrying wire varies directly with the amperage of the current
The wave front of a refracted sound bends toward cooler air
Two in-phase sound waves with the same amplitude and frequency arrive at the same place at the same time, resulting in a new sound wave with greater amplitude
Two out-of-phase sound waves with the same amplitude and frequency arrive at the same place at the same time, resulting in cancellation of the two sound waves
When the trough of one wave arrives at the same time and place as the crest of otherwise identical wave destructive interference occurs
While fishing in a boat on a lake one afternoon, a speedboat roars by. You note that you bob up and down five times in 20 seconds. The frequency of this train of water waves is 0.25 Hz
A flower pot falls off a window ledge 10 m above the ground. Its kinetic energy as it hits the ground is All of the above
A pendulum is pulled back to position a, then released. Where is its kinetic energy the maximum? C (in the middle)
Molecules in a solid are held in nearly fixed positions by strong attractive forces
More molecules are returning to the liquid state than are leaving the liquid state. This process is called condensation
The force exerted when doing work by lifting an object against gravity is measured in units of N
What are the units for the work is done by a newton of force acting through a meter of distance? Joule
When water vapor condenses to a liquid it releases heat to the surroundings
Which energy source produces no pollutants? geothermal steam
Which one of the following can only be measured during the process of being gained or lost? heat
Which of the following is not a solar technology? geothermal hot water
A 1 kilometer length is the same as how many meters? 1000
A student believes that cobwebs form from dust since they always seem to appear when housekeeping chores are ignored. This student has made a statement that is conjecture
A tentative scientific explanation which may or may not be rejected upon further experimentation is called a hypothesis
According to the scientific method, what needs to be done to move beyond conjecture or simple hypotheses in a person's understanding of their physical surroundings? conduct a controlled experiment
Equations are used to all of the above
Imagine a 10 g chunk of aluminum (ρ = 2.7 g/cm3) and a 10 g chunk of iron (ρ = 7.9 g/cm3). Which of the following is true? the chunk of iron is more massive than the chunk of aluminum
In general, scientific investigations have which activities in common? collect observations, develop explanations, tests explanations
In the text, the equation V = tk is used to describe the relationship between the volume of a gas tank and the time required to fill it. The symbol "k" is a proportionality constant
Measured properties that have different values at different times are called variables
Measurement information used to describe something is called data
Measurement is the process of comparing a __________ to a well-defined __________. property -- referent
Measurement is used to accurately all of the above
Misleading people into believing that something has scientific validity when it does not is pseudoscience
One-half liter of water is the same volume as 500 cm3
Statistical tests on the result of an experiment show a cause and effect relationship each time the experiment is repeated. These experimental results are said to be reliable
Suppose a cube of Jello is cut into two pieces. What property stays the same comparing the original piece with one of the new pieces? density
The SI standard unit for mass is the kilogram
The basic means of acquiring understanding in the sciences is experimental evidence
The metric measurement that means one-hundredth of a meter is one centimeter
The property of volume is a measure of how much space an object occupies
When something cannot be directly observed, it can be represented by a model
When two variables increase or decrease together in the same ratio they are in direct proportion
Which measure in the metric system is defined by using an object for a referent? mass
Which of the following is not a unit of density? L/kg
Which one of the following is not a fundamental property? weight
Created by: bburger55
 

 



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