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Heat and Light Energy

Total questions: 20

Worksheet time: 4hrs 50mins

Name
Class
Date
1.

A material that does not allow heat to pass through easily is a(n) _______________.

a)

Conductor

b)

Insulator

2.

Any material that allows heat to move through it easily is a(n) _________________.

a)

conductor

b)

insulator

3.
A metal spoon is placed in a pan of hot water. What will happen?
a)
Heat will move from the spoon to the water.
b)
Heat will move from the water to the spoon.
c)
The temperature of the water will increase over time.
d)
Nothing 
4.

True or false?

Heat is a source of energy.

a)

false

b)

true

5.
A chair is placed several feet from a fireplace.  The fireplace has a glass screen.  The side of the chair facing the fireplace gets warm because of 
a)
conduction
b)
convection
c)
radiation
6.
The way in which heat moves through liquids and gases 
a)
convection 
b)
conduction 
c)
conductor
d)
radiator 
7.

The transfer of heat when one thing touches another is

a)

conduction

b)

convection

c)

heat

d)

conductor

8.
Light bounces when it is 
a)
reflected
b)
absorbed
c)
refracted
9.
Light bends when it is 
a)
refracted
b)
reflected
c)
absorbed
10.

To soak up light means to

a)

absorb it

b)

reflect it

c)

refract it

11.

The color black________________ light.

a)

refracts

b)

absorbs

c)

reflects

12.

A mirror _________________ light.

a)

absorbs

b)

reflects

c)

refracts

13.

A rainbow is an example of light being

a)

reflected

b)

refracted

c)

absorbed

14.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
15.

A prism does this to light...

a)

reflects light

b)

separates white light into different wavelengths

c)

stops light from moving

16.
A student place a ruler into a glass of water and observes that the ruler looks broken. What is occuring?
a)
The force of the water has broken the ruler.
b)
The ruler is broken before it is put in the water.
c)
Water in the cup reflects light around the ruler in a different direction than the air.
d)
Light is refracted as it enter the water, making the ruler look broken.
17.
If an object allows most all light to pass through it then it is...
a)
transparent
b)
opaque 
c)
translucent
d)
cold
18.

An object that blocks all of the light from passing through is...

a)

transparent

b)

clear

c)

opaque

d)

translucent

19.

This type of object lets some light through, but not all. It is not easy to see through this type of material.

a)

transparent

b)

translucent

c)

co-parent

d)

opaque

20.

True or false?

Light is not a source of energy.

a)

True

b)

False

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