Chapter 5 Review
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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| What is energy? | the ability to do work
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| What is kinetic energy? | the energy that an object has due to motion
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| What does kinetic energy depend on? | the speed (velocity) and mass of an object
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| What is potential energy? | energy that is stored and held in readiness
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| What is gravitational potential energy? | potential energy that depends on the height of an object....for example, a person riding a swing
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| What is elastic potential energy? | energy of a stretched or compressed object....for example, a rubber band
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| What is mechanical energy? | kinetic or potential energy associated with motion or the position of an object
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| What is thermal energy? | the total energy of particles in an object......thermal=heat
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| What is chemical energy? | potential energy stored in chemical bonds
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| What is electrical energy? | energy of moving electric charges
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| What is electromagnetic energy? | energy of light and other forms of radiation
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| What is nuclear energy? | energy stored in the nucleus of an atom (mostly from the sun)
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| What is energy conversion? | a change from one form of energy to another
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| Lighting a match is an example of what type of energy conversion? | mechanical energy to thermal energy or electromagnetic energy
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| Eating a sandwich is an example of what type of energy conversion? | mechanical energy to chemical energy
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| What does the Law of Conservation of Energy state? | Energy can never be created or destroyed.
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| Energy can only ___________ from one form to another. | change
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| What are fossil fuels? | a material that was formed hundreds of millions of years ago and stores chemical potential energy
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| What are some examples of fossil fuels? | coal, petroleum and natural gas
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| Fossil fuels contain energy that comes from_____________ | the sun
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| Fossil fuels release _______________ gases when burned. | carbon dioxide
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| A lot of _____________ is lost to the atmosphere when fossil fuels are burned. | oxygen
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| The sun converts nuclear energy to _______________ energy. | electromagnetic
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| Ancient plants and animals convert electromagnetic energy from the sun to stored ____________ energy. | chemical
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| remains of plans and animals become __________ over millions of years. | coal
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| Stored chemical energy in coal is converted to _____________ energy when the coal is burned to make steam. | thermal
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| Thermal energy is converted to _____________ energy as turbines are turned by steam. | mechanical
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| Mechanical energy is converted to __________ energy as turbines turn the electric generators. | electrical
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| Electrical energy is converted to ___________ energy in your toaster. | thermal
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| What are renewable resources? | Resources that can be replaced in the future.
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| What are non-renewable resources? | Resources that CANNOT be replaced in the future.
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| What are some examples of non-renewable resources? | oil, natural gas, coal, petroleum
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| What are some examples of renewable resources? | geothermal, solar, hydroelectric, wind
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| At which point does a pendulum have the most kinetic energy? | at the bottom of its swing
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| At which point does a pendulum have the most potential energy? | at the top on its swing
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| Friction converts mechanical energy to... | thermal energy
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| Describe hydroelectric power. | water is continually recycled from earth to the atmosphere, and back again. Affects the environment by taking up a lot of land and disturbing the natural flow of water.
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| Describe solar power. | It is clean, abundant (lots of it) and unlimited
Solar panels are used to collect sunlight and change it into electrical power.
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| Describe geothermal energy as a resource. | Heat energy that can be collected from hot springs inside the earth. It is transformed into electrical energy.
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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.
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.
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:
Mrs.Verano
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