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Heat and Light Energy

Total questions: 25

Worksheet time: 1hrs 13mins

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.
The way in which heat moves through liquids and gases 
a)
convection 
b)
conduction 
c)
conductor
d)
radiator 
5.

Light travels...

a)

around corners

b)

in a straight line

c)

in waves

d)

in circles

6.

Lenses, like camera lenses or microscopes...

a)

reflect light

b)

refract light

c)

absorb light

7.

When we see a rainbow, we see

a)

light being reflected

b)

light being refracted

c)

light being absorbed

8.
A microscope makes objects under it appear bigger because the lens...
a)
bends the light passing through it.
b)
increases the strength of the light.
c)
decreases the light passing through it.
d)
changes the color of the light passing through it.
9.

This is an example of?

a)

Absorb

b)

Reflection

c)

Refraction

d)

Transmition

10.

What does the pencil in this picture show about light?

a)

Light is refracted when it hits a curved object.

b)

Light is reflected when it hits a curved object.

c)

Light is refracted when it passes from air into water.

d)

Light is reflected when it passes from air into water.

11.

These cars have been parked outside for a long time on a sunny day. Which car will be the hottest?

a)

The black car

b)

The white car

c)

The red car

12.

These cars have been parked outside for a long time on a sunny day. Which car will be the coolest?

a)

The black car

b)

The white car

c)

The red car

13.

Cardboard, wood, and books are some examples of ________ objects.

a)

opaque

b)

translucent

c)

transparent

d)

reflection

14.

Sunglasses, notebook paper, and lampshades are examples of __________ objects.

a)

translucent

b)

transparent

c)

opaque

d)

wood

15.

Which of the following is a clear, triangular object that refracts light?

a)

lens

b)

glass

c)

telescope

d)

prism

16.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
a)
The pavement will conduct the heat and cook the egg.
b)
The egg will reflect the heat and make the pavement hotter underneath.
c)
The egg will absorb the heat  and leave the pavement hotter underneath.
d)
The pavement will absorb the heat from the egg, and the egg will stay raw.
17.
John put a heat pack on his cold feet. What will most likely be the result?
a)
The cold from John’s feet will  be radiated into  the heat pack.
b)
The warmth of the heat pack will be radiated  onto John’s feet.
c)
The cold from John’s feet will be conducted  into the heat pack.
d)
The warmth of the heat pack will be conducted  onto John’s feet.
18.
Which best explains how bacon is fried on a stove burner?
a)
The bacon creates a convection current, the  heat rises to the pan, and then rises to the stove burner.
b)
The bacon transfers heat directly to the pan, and the pan transfers heat directly to  the stove burner.
c)
The stove burner radiates heat to the pan,  and the pan radiates heat to the bacon.
d)
The stove burner transfers heat directly  to the pan, and the pan directly  transfers heat to the bacon.
19.

A group of friends gather around a fire to stay warm. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

20.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of ________.

a)

convection

b)

conduction

c)

radiation

21.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

hotter to colder

b)

colder to hotter

c)

hotter to hotter

d)

colder to colder

22.

The baby chickens kept warm by the heat lamps. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

23.

Near the ceiling of a room the air is warmer. The warm air rises because of ________.

a)

conduction

b)

convection

c)

radiation

24.
a)

Conduction

b)

Radiation

c)

Convection

25.

A pot is placed directly on a stove. The pot gets hot due to ________.

a)

conduction

b)

convection

c)

radiation

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