Stack #80777
Quiz yourself by thinking what should be in
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| A ______ is where two air masses with different characteristics meet. | front
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| What type of pressure zone does cold air usually form? | high
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| What is the averaged over a long period of time to determine the climate of an area? | weather
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| What type of front do violent storms usually occur along? | cold
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| The interaction of air, water and ______ cause weather. | sun
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| What connects points o equal atmoshperic pressure? | isobars
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| A _____ ______ is a large body of air with specific characteristics. | air mass
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| What type of front occurs when a cold air mass slides under a warm air mass and forces it up? | cold
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| Warm air can hold ____ water. | more
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| The _____ _____ is the temperature at which air is saturated and condensation forms. | dew point
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| What is a major influence on climate? | land forms, large bodies of water, altitutude/latitude
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| What do you call a scientist that studies and forecasts the weather? | meteorologist
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| When the air temperature drops (decreases) the water vapor in the air will condense and become a ____. | liquid
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| Wind blows from areas of ______ pressure to areas of _____ pressure. | high to low
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| Large group of stars, gas and dust held together by gravity. | galaxy
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| Distance that light travels in one year. | light year
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| Instrument that breaks light into its spectrum of colors. | spectroscope
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| Earliest stage of a star's developement. | nebula
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| Amost of a star's light observed on Eather. | apparent magnitude
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| How does the sun produce energy? | nuclear fusion, hydrogen to helium
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| Main sequence stars make up about _____% of all stars. | 90
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| The theory that states that the universe was formed by a big explosion that sent matter and energy expanding out into space. | Big Bang
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| What can the spectra of a star tell us? | Temperature, composition, if its traveling towars or away
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| Group the following from smallest to largest : solar system, universe, galaxy. | 1. solar system 2. galaxy 3. universe
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| Chemical reaction that absorbs energy. | endothermic
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| Chemical reaction that releases heat. | exothermic
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| Tells the number of atoms of each element. | subscript
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| Process that produces a chemical change. | chemical reaction
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| Matter cannot be created nor destroyed. | law of conservation of matter
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| A compound has atoms of ______ than one type. | more
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| Which of the following observations would indicate that a chemical change did NOT take place? 1. Something was burning. gas and bubbles were created, temperature change, or colors of substances mixed. | colors of substances mixed
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| Where do the bubbles from when you put an Alk-Seltzer tablet in water? | gas is formed, new substance is formed
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| What two elements are found in the compound CO2? | carbon & Oxygen
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| Which of the following would NOT speed up a chemical reaction. Making the reactant particles larger, increasing the concentration of a reactant, adding a catalyst, increasing the temperature. | making the reactant particles larger
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| The substances to the right of the arrow in a chemical formula. | products
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| According to the law of conservation of mass, how does the mass of the products compare to the mass of the reactants? | equal
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| Used the measure force. | newton (N)
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| A push or pull. | force
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| The distance traveled divided by the time needed to travel the distance. | speed
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| Speeding up, slowing down or changing direction. | accleration
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| an objects tendency to remain at rest or keep moving with a constant velocity. | intera
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| How does friction affect a rolling ball? | slows it down
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| If two balls of different masses are dropped from the same height which hits the ground with more force? The heaver or lighter ball? Why? | heavier because it has more mass
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| how does an unbalanced force effect an object? | causes it to acclerate
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| What causes an opened parachute to slow down the jumper? | air resistance
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| Sound waves travel faster through a :solid, liquid, or gas | solid
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| what of the following are electromagnetic waves: light, radio, x-ray, sound? | light. radio, x-ray
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| Alleles that are only shown when two of the same are present. | recessive
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| An organisms genetic makeup. | genotype
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| Visible traits of an organism. | phenotype
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| Organisms well adapted to their environment survive and produce at a great rate than other organisms do. | natural selection.
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| alleles that show their effect whenever they are present in the genotype. | dominant
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| which of the following is homozygous dominant? HH, Hh, hh | HH
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| Which of the following is heterozygous? HH Hh | Hh
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| Where are the instructions of the various hereditary traits of an organism located? | nucleus of cells (DNA)
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| A large population of houseflies was sprayed with a fast acting insecticide. How do you explain the appereance of increasing numbers of houseflies that are unaffected by the insecticide? | adapted & passed down genes
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| Give an example of an inherited trait. | hair color, eye color
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| What would happen to the population of rabbits with brown fur it the climate changed and there was and increase in snow in the winter? | more likely to become prey and not survive to reproduce
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| Mechanism that changes an internal condition in the body back to a normal state. | negative feedback
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| moves blood through the body. | circulatory system
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| tissues that work together. | organ
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| smallest functional unit of an organism. | cell
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| Maintaining a stable internal environment. | Homeostasis
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| Which two systems work to rid the body of carbon dioxide? Digestive, Circulatory, or respritory | Circulatory & respritory
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| Which two systems work to break down food and transport it to cells? digestive, circulatory, or respiratory | digestive & circulatory
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| What type of effect does paving land have on stream discharge? | increases it
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| Substances that contaminate the environment. | polluntants
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| How can a person in a industrialized nation help protect the environment? | use less energy
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| Piling up leaves and grss so they can be allowed to gradually decompse. | composting
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| What makes up 40% of the mass of trash? | paper
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| The careful use of resources to reduce damage to the environment. | conservation
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| What is trapped in the atmosphere when forests are cut down and therefore are fewer plants to photosynthesize? | carbon dioxide
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| What is one of the main causes of air pollution? | cars
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| A combinationof smoke and fog is? | smog
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| what is responsible for 60% of the smog in the US? | cars
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| When emissions from coal-burning power plants is combined with sulfur acid, ____ _____ is created. | acid rain
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| What is used to measure the strength of an acid? | pH scale
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| What do factories use to help control air pollution? | scrubbers
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| Which of the following are water pollutants? Bacteria, oil and gasoline, or runoff from mines | oil and gasoline & runoff from mines
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| How do farms polluter water? | use of fertilizers/insecticides
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| How do organisms in a predatory relationship interacter with eachother? Both feed on producers, both help each other, or one kills and consumes the other. | one kills and consumes the other
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| How do producers get their energy? | sun-photosynthesis
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| A minnow eats algae, what type of organism is the minnow? Producer, consumer, or decomposer | consumer
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| Bats eat mosquitoes and other insects. If the population of bats increases how will this effect the insect population? | cause it to decrease
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MaddieMo
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