Forms of Energy

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 when a substance undergoes a chemical reaction.

Front

What type of energy do objects need to move?

Back

Mechanical energy is the energy that an object has due to its motion or position. It is needed for objects to move.

Front

What is heat energy?

Back

Heat energy is the energy that comes from the temperature of matter. It is the energy that causes substances to change temperature.

Front

How does coal improve our quality of life?

Back

Coal is used as a fuel source to generate heat and electricity, which helps power homes and industries.

Front

What causes butter to melt when heated?

Back

Heat energy causes the butter to melt by increasing the temperature and breaking down the solid structure.

Front

What is radiant energy?

Back

Radiant energy is the energy of electromagnetic waves, such as light. It is the energy that travels through space.

Front

What is an example of mechanical energy?

Back

An example of mechanical energy is a moving car or a spinning top.

Front

What is the role of heat in cooking?

Back

Heat energy is used in cooking to change the temperature of food, making it safe to eat and enhancing its flavor.

Front

What is solar energy?

Back

Solar energy is the energy from the sun that can be converted into heat or electricity.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact. It can generate heat.