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End of Semester
Ch1, Ch13, Ch14, Ch15, Ch16, Ch18, Ch19, Ch 20, Ch 21, and Ch 22
| Question | Answer |
|---|---|
| A person who studies the lives of animals. | ZOOLIGIST |
| This type of model looks like the real thing but has limitations (EXAMPLES: solar system, cell models, toy cars, and globe) | PHYSICAL MODELS |
| A person who specializes in the chemistry of rocks, minerals, and soil. | GEOCHEMIST |
| What tool of measurement measures volume (mL, m3, cm3)? | GRADUATED CYLINDER |
| This type of model is made up of numbers, equations, and other forms of data (EXAMPLES: punnett square). | MATHEMATICAL MODEL |
| What tools of measurement measures temperature (°C, Kelvin, °F)? | THERMOMETER |
| This type of model is based on a system of ideas (EXAMPLES: solar system formed from a spinning disc of gas). | CONCEPTUAL MODEL |
| What tools of measurement measures force (Newtons)? | SPRING SCALE |
| What tools of measurement measures time (min, sec)? | STOPWATCH |
| A person who studies volcanoes? | VOLCANOLOGIST |
| This device uses a gas flame to heat and boil liquids and solids. | BUNSEN BURNER |
| What is the name for the process of recycling materials that make up the earth’s crust and mantle? | THE ROCK CYCLE |
| Which of the following actions can a person take in order to best conserve Fossil Fuel resources: turn the faucet off while brushing your teeth; recycle newspapers; ride a bike to school? | RIDE A BIKE TO SCHOOL |
| The force of attraction between objects that is due to their masses. | GRAVITY |
| A change in a moving object’s speed or direction. | ACCELERATION |
| A force that always acts to oppose motion. | FRICTION |
| The measure of gravitational force exerted on an object. | WEIGHT |
| Which of the following is an assistive engineered product: heart transplant; a crutch; artificial skin? | A CRUTCH |
| Newton’s ________ Law of Motion: Acceleration of an object depends on its mass and the amount of force applied. | SECOND |
| [work (w) = force (F) x distance (d)] Hailey uses 30N of force to push a lawn mower 10 meters. How much work does she do? 40J or 20J or 300J | 300J |
| Newton’s _______ Law of Motion: an object at rest remains at rest and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force. | FIRST |
| What is a push or pull that always acts on an object? | FORCE |
| A measure that does not change when an object’s location changes. | MASS |
| Speed of an object in a particular direction. | VELOCITY |
| Newton’s ________ Law of Motion: All forces act in pairs. | THIRD |
| The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations. | CONTINENTAL DRIFT |
| Items that provide evidence that that the continents were once closer together. | FOSSILS |
| The application of engineering to living things, such as humans and plants. | BIOENGNEERING |
| The positive purpose for which a technology is designed to be used. | INTENDED BENEFIT |
| What is the unit used to express engergy, it is also the unit for work? | JOULE |
| What type of friction is between moving surfaces? | KINETIC FRICTION |
| What type of bioengineering that results in a product or process that changes the living organism? | ADAPTIVE BIOENGINEERING |
| What are the positive or negitive results of technology that were not planned called? | UNINTENDED CONSEQUENCES |
| What type of friction is where the object does not move because the force balances the force applied? | STATIC FRICTION |
| The rate at which work is done or engergy is transformed is called what? | POWER |
| What is the equation to calculate power? | Power = Work ÷ Time (P = W ÷ t) |
| What unit is used to express power? | WATT |
| What type of simple machine that has a bar that pivots at a fixed point? | LEVER |
| A machine that is made of 2 or more simple machines is called what? | COMPOUND MACHINE |
| What is the equation used to calculate work? | Work = Force X distance (W = F X d) |
| What is it called when scientific conclusions are influenced by the opinions or beliefs of the experimenter? | BIASED |
| The highest point of a transverse wave is ….. | CREST |
| A substance through which a wave can travel. | MEDIUM |
| Which of the following types of waves requires a Medium: X-rays OR microwaves OR sound waves? | SOUND WAVES |
| Equation [Distance = rate X time] Josh is traveling between Memphis and Nashville. He has traveled for 3 hours at 70 mph. How many miles has he traveled? | 210 MILES |
| Equation [time = Distance ÷ rate] How long is Jewel’s trip if she travels 70 mph for 245 miles? | 3.5 HOURS |
| Equation [Force = work ÷ distance] How much force was applied to a box that required 90 joules of work to push it up a 6 meter ramp? | 15 NEWTON METER |
| Which simple machine can be described as a rope that is threaded through a wheel or disk? | PULLEY |
| Lifting up a paint can lid with a screwdriver is an example of using which type of simple machine? | LEVER |
| What is the SI unit for force? | NEWTON |
| Which of the following is a simple machine: a bicycle OR a jar lid OR a can opener? | A JAR LID |
| What prevents machines from being 100% efficient? | FRICTION |
| What do waves transfer? | ENERGY |
| What is the lowest point between each crest of a wave? | TROUGH |
| This type of wave has the particles of the medium vibrate in an up-and-down motion? | TRANSVERSE WAVE |
| In which layer of Earth is the asthenospere located? (HINT: Tectonic plates float on the asthenosphere) | MANTLE |
| A volcano erupts, giving off hot lava. Some of this lava lands in the ocean, where it quickly cools and hardens into rock. What type of rock is formed? | IGNEOUS ROCK |
| During which stage of the technology design process should engineers identify the materials and estimate the costs of producing a product? (HINT: Factors if you are redecorating your bedroom) | EVALUATION |
| Pollution is a way in which humans harm the environment. Which of these ways of generating electricity is MOST LIKELY to harm the environment: using solar cells OR burning fossil fuels OR running wind turbines | BURNING FOSSIL FUELS |
| You are studing properties of minerals. You want to find out whether different mineral samples show Fracture or Cleavage (refer to how a mineral breaks). What tool would you use? balance OR streak plate OR hand lens | HAND LENS |
| The core is the source of Earth's magnetic field. What elements is the Earth's inner core mostly made up of? | IRON AND NICKEL |
| What is most likely to form when two continental plates push together? | MOUNTAINS |
| An ax is an example of which type of simple machine? | WEDGE |
| Which of the following is an adaptive engineered product: artificial skin; a crutch; eye glasses? | ARTIFICIAL SKIN |
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ruryscience
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