Forms, Uses, and Sources of Energy

Choose the correct definition of these forms of energy.

• • Light energy is energy that a moving object has.

• Kinetic Energy is energy that makes things warm or hot.

• Potential Energy is energy that is stored in objects.

• • Electrical Energy is energy that allows us to see.

Which of the following is an example of kinetic energy?

• • A stationary rock on a hill.

• • A book resting on a table.

• A car moving at high speed.

• A rock at the top of a mountain.

What is the primary source of electrical energy in most homes?

• Wind turbines.

• Fossil fuels.

• Water.

• • Solar panels.

Identify the type of energy stored in a stretched rubber band.

• • Kinetic Energy.

• • Sound Energy.

• Potential Energy.

• Thermal Energy.

What do we call energy sources that are used to replace fossil fuels because they are better for the Earth?

• • Old energy

• • Alternative energy

• Heavy energy

• Burning energy

Which of these is a fossil fuel that we burn to get energy?

• Sunlight

• Wind

• Coal

• Moving water

What do we call the energy that we get from the Sun?

• Sunlight

• Solar energy

• Wind energy

• Potential energy

What kind of energy is made when we use a dam to hold back moving water?

• Chemical energy

• Heat energy

• Hydroelectric energy

• WInd energy

Choose all the correct statement about Fossil Fuels and Alternative Sources (Sun, Wind, Water).

• Fossil fuels:

  They must be burnt in a furnace to provide heat energy.

• Fossil fuels:

  These include the use of solar cells and solar panels.

• Alternative Sources: They include the use of dams and reservoirs

• Alternative Sources: They have chemical potential energy that converts to heat when burnt

The energy conversion for wind turbine is:

Kinetic energy (wind) -> __________ energy (blades) -> _______ energy.

• potential , kinetic

• kinetic, electrical

• sound, gravitational

• light, heat