Energy Sources

Besides coal and natural gas, another fossil fuel  is

• petroleum/oil
• biomass
• electricity
• uranium

Fossil fuels are nonrenewable  resources because they

• take millions of years to form
• are easily replaced
• are in high demand
• don't pollute the air

Which of the following is an example of biomass?

• food crops
• flowing water
• coal
• uranium

The source of energy that comes from the intense heat beneath Earth's surface is

• nuclear fusion
• geothermal energy
• solar energy
• chemical energy

All of the following are renewable except

• uranium
• solar
• hydropower
• food crops (biomass)

Moving water, tides, and dams are examples of

• hydropower
• fossil fuels
• geothermal energy
• radiant energy

This fossil fuel releases the least amount of air pollution

• natural gas
• coal
• nuclear
• oil

According to the graph, what sector is the greatest user of energy?

• industry
• commercial
• transportation
• residential

What problems are caused by using fossil fuels?

• Air pollution, Climate change, oil spills, acid rain
• Air pollution only
• Oil spills only
• Climate change only

A type of energy that is made by splitting uranium atoms is

• solar energy
• nuclear energy
• biomass energy
• water energy