Exploring the World of Energy

What is the basic definition of energy?

• The ability to do work or cause change

• The ability to stop motion

• The ability to generate sound

• The ability to create matter

Which of the following is an example of thermal energy in action?

• A drum being hit

• A car accelerating

• Water boiling on a stove

• A flashlight shining

What particles are responsible for the flow of electrical energy?

• Electrons

• Atoms

• Neutrons

• Protons

How is electrical energy used in a toaster?

• It is converted into heat energy

• It is converted into light energy

• It is stored as potential energy

• It is converted into sound energy

What type of energy is associated with motion?

• Kinetic energy

• Potential energy

• Sound energy

• Thermal energy

What happens to potential energy when a stretched rubber band is released?

• It remains as potential energy

• It is converted into kinetic energy

• It is converted into thermal energy

• It is converted into sound energy

What is unique about light energy compared to other forms of energy?

• It requires a medium to travel

• It cannot be converted into other forms

• It can travel through a vacuum

• It is slower than sound energy

How do plants use light energy?

• For movement

• For respiration

• For sound production

• For photosynthesis

What causes sound energy to be produced?

• Electrical currents

• Light waves

• Vibrations

• Chemical reactions

Which form of energy is used in ultrasound technology?

• Thermal energy

• Light energy

• Sound energy

• Electrical energy