Energy and its Forms

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as kinetic, potential, thermal, and electromagnetic.

Front

What are the two main forms of energy provided by the sun?

Back

The two main forms of energy provided by the sun are electromagnetic (light) energy and thermal energy.

Front

What is electromagnetic energy?

Back

Electromagnetic energy is a form of energy that travels in waves and includes visible light, radio waves, and X-rays.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in a substance.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons through a conductor, such as a wire.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules. It is released during a chemical reaction.

Front

How does photosynthesis utilize energy?

Back

Photosynthesis uses electromagnetic (light) energy from the sun to convert carbon dioxide and water into glucose and oxygen.

Front

What happens to ice cream when thermal energy is applied?

Back

When thermal energy is applied to ice cream, it causes the ice cream to melt due to the increase in temperature.

Front

What is the relationship between energy and work?

Back

Energy is the capacity to do work. When work is done, energy is transferred from one system to another.