Energy Revision Yr. 9

1. Which form of energy does a moving object possess?

• light energy

• sound energy

• mechanical energy

• chemical energy

Which energy transformation occurs in an electric iron?

• heat to light

• light to heat

• heat to electricity

• electricity to heat

Which of the following converts electrical energy to light, heat, and sound?

• 
• 
• 
• 

Which of the following statements is NOT true?

• The total amount of energy in a system remains constant.

• Energy cannot be created nor destroyed.

• Energy can be created but not destroyed.

• Energy can be transformed.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

• thermal to electrical

• mechanical to thermal

• electrical to thermal

• electrical to sound

Energy that transfers heat is?

• Thermal energy

• Potential energy

• Mechanical energy

• Kinetic energy

_____________ is defined as the ability to do work

• Force

• Work

• Distance

• Energy

____________ is the energy of a moving object.

• Kinetic Energy

• Potential Energy

• Wind Energy

• Mass

Coal is a __________ energy resource.