7.P.2

The transfer of thermal energy is called _____?

• heat
• energy
• work
• friction

What machine changes electrical energy into light and sound energy

• battery
• lightbulb
• alarm clock
• apple

Which type of energy does the battery produce?

• sound
• light
• mechanical
• electrical

__________ energy is possessed by an object due to its motion or due to its position.

• chemical
• radiant
• mechanical
• heat

Electrical Energy is:

• energy caused by the vibrations of an object
• energy caused by changes in the nucleus of an atom
• energy of moving electrons
• energy caused by heat

You pull your desk along the floor in your classroom.  What does this statement best demonstrate?

• 1. an alternative source of energy
• 2. potential energy
• 3. gravity
• 4. work

Patty lifts a plate into a kitchen cabinet to put it away.  What type of energy is store in the plate as it sits in the cabinet?

• 1. kinetic energy
• 2. solar energy
• 3. sound energy
• 4. potential energy

As part of a science activity, Eddie stretches a rubber band, lets it go and it flies 4 meters.
Which statement below most accurately describes what happened?                    

• 1. The energy in the rubber band will be lost.
• 2. The stretched rubber band has kinetic energy.
• 3. Stretching a rubber band does not work.
• 4. A flying rubber band has kinetic energy.

Is this picture a example of gravitational potential energy? (2.4A)

• Yes 
• No

Kinetic Energy is energy of motion

• True
• False