Energy Review

Front

What is the process by which green plants convert sunlight into food?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What type of energy is stored in an object due to its position?

Back

Potential energy is the energy stored in an object due to its position or state.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What happens to the temperature of Earth if too much greenhouse gas is trapped in the atmosphere?

Back

The temperature of Earth will warm up.

Front

Where is kinetic energy at its maximum on a roller coaster?

Back

At the bottom of a big hill.

Front

What type of energy is associated with heat?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like food and fuel.

Front

What is an example of mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object; for example, a moving car has mechanical energy.

Front

What is the relationship between potential energy and height?

Back

Potential energy increases with height; the higher an object is, the more potential energy it has.

Front

What is the main source of energy for life on Earth?

Back

The sun is the main source of energy for life on Earth.