science test review 12/12

The original source of most energy resources is:

• the oceans

• the sun

• the atmosphere

• the wind

All of the following are examples of kinetic energy except:

• wind turbines

• rock rolling down a hill

• boiling water

• coal

A disadvantage of using fossil fuels is:

• they provide lots of energy

• they can burn cleanly

• they release gases that produce acid rain

• they don’t pollute

A dam across a river is an example of:

• fossil fuels

• wind energy

• geothermal energy

• hydroelectric power

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

• mechanical energy into thermal energy

• nuclear energy into electrical energy

• nuclear energy into nuclear energy

• electrical energy into electromagnetic energy

An example of something that stores chemical energy is:

• waterfall

• visible light

• lightning

• a match

Which of the following is NOT a renewable resource?

• geothermal

• natural gas

• solar

• food crops (biomass)

Fossil fuels are considered nonrenewable resources because they:

• burn so quickly

• are in such high demand

• pollute the air

• take millions of years to form

When flowing water turns a turbine it can generate:

• electricity

• geothermal energy

• solar energy

• coal

Which of these is an example of a biomass?

• flowing water

• coal

• leaves

• natural gas