6.4a The Sun is the Ultimate Source of Energy

Front

The energy stored in fossil fuels originally came from______

Back

the sun

Front

Crops, wood, and other organic matter are used to produce electricity. What is the energy source called?

Back

biomass

Front

Wind is caused by______

Back

the unequal heating of Earth's surface

Front

All of the following are non-renewable energy sources except______

Back

biomass

Front

Solar energy comes to Earth in what two forms?

Back

light and heat

Front

What is the ultimate source of energy for all living things on Earth?

Back

the Sun

Front

What type of energy is produced by the movement of air?

Back

wind energy

Front

What is a renewable energy source?

Back

An energy source that can be replenished naturally, such as solar or wind energy.

Front

What is the process by which plants convert sunlight into energy called?

Back

photosynthesis

Front

What is the main difference between renewable and non-renewable energy sources?

Back

Renewable sources can be replenished, while non-renewable sources cannot.