Laws of Conservation of Energy

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed.

Gaining Energy from eating food for our body is a form of what type of energy?

• 
  kinetic

• electrical

• 
  chemical

• electromagnetic

Energy can be created.

• True

• False

A group of friends gather around a fire to stay warm. This is an example of ________.

• conduction

• 
  convection

• 
  radiation

Energy of motion is which type of energy?

• 
  Potential

• 
  Kinetic

• 
  Sound

• 
  Gravitational

What type of energy is in this picture?

• 
  Kinetic

• Mechanical

• Potential

• Electrical

What kind of energy does a television use?

• Thermal

• Nuclear

• Chemical

• Electrical

Wind turbines and windmills convert what energy to another?

• Mechanical to potential

• Kinetic to electric

• Thermal to sound

• Gravitational potential to electric

What machine changes electrical energy into sound energy?

• battery

• 
  lightbulb

• refrigerator

• 
  alarm clock

Which form of energy is the internal energy of a substance due to the motion of its particles?

• Electrical energy

• Radiant energy

• Thermal (heat) energy

• Mechanical energy