Science: Energy Test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When objects of different masses are hanging on a string, what combination creates the greatest gravitational potential energy? | high height and high mass
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| What is the Law of Conservation of Energy? | Energy cannot be created or destroyed but it can transfer.
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| What are renewable energy sources? | wind, solar, hydro, tidal
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| What energy transformation takes place once the hood of the car becomes hot after driving for awhile? | kinetic to thermal energy
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| What does NOT contribute to the formation of fossil fuels? | dead plants, heat and pressure, time
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| When you open the door to a refrigerator for a minute, what happens? | Thermal energy in the air outside the refrigerator goes inside the refrigerator.
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| What energy transformation takes place when a light is turned in? | electrical to thermal to light
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| Why do we NOT use solar energy more often as an energy source? | not all areas get the same amount of light, equipment is expensive, storing energy is hard
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| The efficiency of an average gasoline powered car is about 20%. What does this mean? | The car uses 20% of the energy stored for motion.
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| What energy transformation takes place when a radio is plugged in and turned on? | electrical to sound waves
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| What are nonrenewable energy sources? | nuclear, petroleum, coal, oil
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| What is potential energy? | stored energy
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| What is the source of all energy sources? | nuclear energy from the sun
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| What energy transformation takes place when a volleyball player hits the ball? | chemical potential to thermal to kinetic
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| What type of energy is a skier at the top of a mountain? | P.E. - gravitational potential energy
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| What type of energy is gasoline in a stored tank? | P.E. - chemical
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| What type of energy is a burning candle wick? | K.E. - thermal and light
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| What type of energy is a spring in a pinball machine before it is released? | P.E. - elastic
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| What type of energy is an ice cub sitting on the table melting at room temperature? | K.E. - thermal
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
white_amanda
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