Energy Conversions
1. Energy can change from one form to another.
True or False?
True
5. Which converter would be best to convert energy from the sun?
a. wind turbine
b. generator
c. power plant
d. solar panel
d. solar panel
What month is Halloween in?
October
4. Which is not an energy source?
a. wind
b. sun
c. car
d. fuel
c.car
6. When hands clap, they produce which two forms of energy?
a. motion and sound
b. sound and thermal
c. thermal and motion
d. sound and electrical
a. motion and sound
What is Mrs. Campbell's favorite math subject?
Multiplication
3. What would happen to a system if it does not have enough energy?
a. everything would work normally
b. It would break
c. it would be unable to work
d. it would make more energy
c. It would be unable to work
7. When hands are rubbed together which two forms of energy are present?
a. sound to thermal
b. thermal to electrical
c. motion to thermal
d. motion to sound
c. motion to thermal
What is bright orange with green on top and sounds like a parrot?
A carrot
2. Systems are converters that convert energy from one form to another. What does convert mean?
a. to absorb the sun
b. to blow air
c. to add parts to a system
d. to change from one form to another
D. to change from one form to another
8. A fan uses electrical energy. True or False?
True
What has legs but doesn't walk?
A table or chair
9. Name the input and output of energy of a hair dryer.
a. input: thermal energy, output: electrical
b. input:electrical, output: thermal
c. input:sound energy, output: thermal energy
d. input: electrical energy, output: electricity
b. input: electrical, output: thermal energy
10. Name the input and output energy of a car.
a. input: thermal energy, output: electrical energy
b. input:sound energy, output: thermal energy
c. input: chemical energy, output: motion energy
d. input: motion energy, output: chemical energy
c. input: chemical energy, output: motion energy
Which is heavier? A ton of bricks or a ton of feathers?
They both weigh the same amount.