Energy

_______________ is released by luminous objects.

• light energy

• gravitational potential energy

• elastic potential energy

• forms of energy

____________ is stored in objects that are hotter than their surroundings

• chemical energy

• thermal energy

• sound energy

• kinetic energy

______________ is stored in objects that have been stretched.

• thermal energy

• potential energy

• light energy

• elastic potential energy

________________ is released when an object vibrates

• elastic energy

• nuclear energy

• forms of energy

• sound energy

What device converts chemical energy to mechanical energy?

• Human

• Car

• Jet ski

• All of the above

Do you know how often energy transformations happen all around you?

• Only 2 hours a day

• Every 18 days

• Non-stop, constantly

• Just 7 minutes

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound

• electrical energy to thermal to light

• sound energy to electrical to chemical

• mechanical energy to electrical to sound.

What is the MAIN form of Energy the skater has at POINT A in the Diagram?

• Elastic Potential Energy

• Gravitational Potential Energy

• Sound Energy

• Thermal Energy

What is the Energy transformation that occurs as the skater moves from POINT A to POINT B on the diagram

• Gravitational Potential to Kinetic Energy

• Kinetic Energy to Gravitational energy

• Elastic Potential Energy to Kinetic Energy

• Gravitational potential to Thermal Energy

Which is the correct statement below?

• At POINT C the skater has less Kinetic energy but more gravitational potential energy than at POINT B

• At POINT C the skater has more Kinetic energy but less gravitational potential energy than at POINT B