UNIT 7 "ENERGY" 6ºB

1._____ and_____ are electrical conductor:

• a)Copper and iron

• b)Iron and gold

• c)Plastic and paper

• d)A and B are correct

2.-Energy exists in many differents...

• a)Forms

• b)Movements

• c)Positions

3.- Mechanical energy is related with.......

• a) The charge particles.

• b) Heat.

• c) Movement.

• d) The waves vibrations.

4.-What does the kinetic energy of an object depend on?

• a) Mass and volume

• b) Mass and velocity

• c) Volume and a hammer

5.-Where is stored chemical energy?

• a) In the meat.

• b) In the vegetables.

• c) In the fruit.

• d) In the food.

6.-Energy can be made or destroyed.

• a)True

• b)False

1. Kinetic energy is relationated with...

• a. Electrical energy.

• b. Chemical energy.

• c. Light energy

• d. Sound energy

2.-Potential energy is related with ...

D)B and C are correct.

• A)Mass and position.

• B)Mass.

• C)Chemical reaction.

• D)B and C are correct.

3. ______ energy is a type of electromagnetic radiation:

• a) sound

• b) light

• c) chemical

• d) electrical

4. _________ absorb thermal energy:

• a) Exothermic

• b) Endothermic