Energy Forms, Transformations, and Sources Review

Most energy on Earth begins with

• the wind

• the sun

• water

• coal

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Examples of stored chemical energy are

• coal

• infrared radiation

• a match

• a bouncing ball

• food

When you rub your hands together on a cold day, you use friction to convert

• electrical energy to electromagnetic energy

• thermal energy into nuclear energy

• nuclear energy into electrical energy

• mechanical energy into thermal

The law of conservation of energy states that, under normal circumstances, when one form of energy is converted to another,

• energy is destroyed

• energy is created

• energy is not created nor destroyed

• energy is created or destroyed

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The splitting of an atom's nucleus into 2 smaller nuclei releases an immense amount of energy and is known as ________.

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Which of the following are renewable energy sources?

• wind

• geothermal

• hydroelectric

• biomass

• nuclear

The fuel (element) most often used in nuclear reactions is

• sodium

• uranium

• titanium

• hydrogen

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Choose ALL DISADVANTAGES of using solar energy?

• it is renewable

• it isn't always available in all locations

• expensive to install and replace solar panels

• it does not pollute the air

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Which of the following are examples of biomass?

• wood

• food waste

• ethanol fuel formed from corn

• uranium

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One major concern with nuclear energy is

• it releases carbon dioxide into the atmosphere causing climate change

• we will run out of fuel for the reactors in a few years

• disposing of radioactive waste properly

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