Question

The Law of Conservation of Energy states that energy cannot be created or destroy. It can only be ________________________ from one form to another.

a
transformed
b
conformed
c
deformed
d
reformed
Question 23
A light bulb transforms electrical energy into _____________________________ energy. (Choose all that apply)

a
potential
b
mechanical
c
light
d
thermal
Question 24
Match the scenario and/or example to the type of energy being described

Column A
1.
sunlight:
sunlight
2.
pedaling a bike:
pedaling a bike
3.
a battery:
a battery
4.
electrons moving through a wire:
electrons moving through a wire
5.
a kettle heating over a fire:
a kettle heating over a fire
Column B
a.electrical energy
b.chemical energy
c.thermal energy
d.mechanical energy
e.light energy
Question 25
What is an example of chemical energy transforming to mechanical energy?

a
metal pan on the stove
b
a car using gasoline to move
c
a battery operated flashlight turning on
d
switching on a hairdryer

Answer 1

22. a (transformed)

23. c and d (light and thermal)

24.
1 → e (sunlight: light energy)
2 → d (pedaling a bike: mechanical energy)
3 → b (a battery: chemical energy)
4 → a (electrons moving through a wire: electrical energy)
5 → c (a kettle heating over a fire: thermal energy)

25. b (a car using gasoline to move)