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energy conversions

Total questions: 12

Worksheet time: 36mins

Name
Class
Date
1.

define hybrid cars :

a)

cars that use gasoline to run

b)

cars that use electricity to run

c)

cars that use both potential energy and gasoline to run

d)

cars that use electricity and gasoline to run

2.

electric cars are ________________ cars that use gas

a)

the same efficient as cars

b)

much less efficient than

c)

much more efficient than

3.

solar panels__________________

a)

work only in the morning

b)

charge batteries whenever wind current is available

c)

charge batteries when there is a lot of gasoline

d)

charge batteries whenever enough light is available

4.

something made for a particular purpose

a)

material

b)

device

c)

energy

5.

what is fuel?

a)

a material that releases energy as heat when it burns

b)

a device that releases energy as heat when it burns

c)

a material that charges batteries whenever enough gasoline is available

d)

the original source of energy

6.

the primary source of energy for almost all fuels is the fire

a)

false

b)

true

7.

the process of burning a fuel to produce heat and light is called

a)

conversion

b)

combustion

c)

transforming

8.

these materials are all fuels except for

a)

coal

b)

wood

c)

petroleum

d)

magnet

9.

select devices :

a)

generator

b)

turbine

c)

petroleum

d)

battery

e)

magnet

10.

a device that changes the energy of motion into electrical energy

a)

turbine

b)

generator

c)

boiler

d)

battery

11.

a battery ______ chemical energy

a)

stores

b)

wastes

c)

creates

d)

transfers

12.

a battery can convert (1)________ energy into (2)__________ energy.

a)

(1)chemical

(2)electrical

b)

(1)motion

(2)electrical

c)

(1)heat

(2)motion

d)

(1)heat

(2)electrical