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Conductors and Insulators

Total questions: 54

Worksheet time: 40mins

Name
Class
Date
1.

Which item would not be considered a good conductor?

a)

safety pin

b)

tack

c)

nail

d)

cork

2.

Many people wear clothing made from wool in the winter when temperatures are colder. Which is the best reason why people wear clothes made from wool?

a)

Wool is a good insulator.

b)

Wool is a good conductor.

c)

Wool has a low density.

d)

Wool is very soluble.

3.

Janice practices playing the drums each day after school in her room. Her father wants to add some material to the walls of her room to help sound proof it. Which material would be best to use?

a)

aluminum sheets

b)

copper boards

c)

cork boards

d)

tin sheets

4.

Tony is boiling a pot of water on the stove. The black handle is made of rubber, and the pot is made of steel. Why is black handle made of rubber and pot made of steel?

a)

Rubber is a good conductor, and steel is a good insulator.

b)

Rubber is a poor insulator, and steel is a poor conductor.

c)

Rubber is a good insulator, and steel is a good conductor.

d)

Rubber is a good conductor, and steel is a poor insulator.

5.

A pot of water is boiling in a metal pan. Why might the handle be made of wood?

a)

It is a good conductor of heat.

b)

It has a low density and will float in water.

c)

It is magnetic and will repel the heat.

d)

It is a good insulator of heat.

6.

Why do many tools have a rubber or plastic handle?

a)

They will not react when exposed to chemicals.

b)

They do not melt when exposed to high temperatures.

c)

They are used because they are good conductors of heat.

d)

They are used because they are good insulators of electricity.

7.

A pot of food cooked on the stove for an hour. Why can Amanda pick up the pot by the handle with her bare hand?

a)

The handle was made of a material that was a good conductor of thermal energy.

b)

The handle was made of a material that was a good conductor of electrical energy.

c)

The handle was made of a material that was a poor conductor of thermal energy.

d)

The handle was made of a material that was a poor conductor of electrical energy.

8.

Tonya replaced the single pane windows in her house with double pane windows with air between the panes. Why is it easier to heat her house after replacing the windows?

a)

The air between the windows acted as an insulator.

b)

The air between the windows acted as a conductor.

c)

The increased volume of the glass acted as an insulator.

d)

The increased volume of the glass acted like a conductor.

9.

To survive during an extremely cold night, a lost camper made a snow cave to sleep in. Which explains why the camper stayed warm in the snow cave?

a)

The snow melted releasing heat into the cave.

b)

The snow transferred heat from its molecules to the air inside the cave.

c)

The snow conducted heat from the outside of the air inside the cave.

10.

Antonio is trying to separate two wires carrying electricity. What material should be used to accomplish this task?

a)

steel

b)

copper

c)

rubber

d)

aluminum

11.

Which object would be a poor conductor?

a)

nail

b)

penny

c)

paper clip

d)

rubber band

12.

In some states, the law mandates that a new house has to be built with insulation in the walls. Why would this be important to have?

a)

Cold outside air is prevented from getting inside the house.

b)

Heat from the outside air is absorbed.

c)

On cold days, it slows down the loss of heat.

d)

Heat is generated to keep the house warm.

13.
Why are metals useful for making electrical wire?
a)
Metals do not bend.
b)
Metals hold much heat.
c)
Metals are insulators.
d)
Metals are conductors.
14.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
15.
Something electricity can't move through is called a(n) ______.
a)
conductor
b)
wire
c)
shoe
d)
insulator
16.
What is a example of a conductor?
a)
wood 
b)
metal
c)
rubber
d)
rock
17.
Water is a insulator.
a)
True
b)
False
18.
A conductor allows energy to easily pass by.  
a)
True 
b)
False
19.
Which one is a conductor? 
a)
wood 
b)
iron 
c)
plastic spoon 
d)
paper 
20.
A insulator does not let energy flow through easily 
a)
True 
b)
False
21.
The handle of a frying pan is often coated in rubber because rubber provides...
a)
Heat insulation
b)
Heat conduction
c)
A low melting point
d)
A nonstick surface
22.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
23.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
24.
All of the following are conductors except _______.
a)
metal spoon
b)
wire
c)
iron nail
d)
plastic spoon
25.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
26.
Thermal energy travels...
a)
Hot to cold
b)
Cold to hot
c)
Inside to outside
d)
Outside to inside
27.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
28.
Convection is heat transfer by-
a)
Touch an object
b)
The heating and cooling of a fluid
c)
Electromagnetic Waves
29.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
30.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
31.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
32.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
33.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
34.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
35.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
36.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
37.

What type of heat transfer takes place in liquids and gasses?

a)

Conduction

b)

Convection

c)

Radiation

d)

Thermal Equilibrium

38.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
39.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
40.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
41.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
42.
Conduction, Convection and Radiation are three types of...
a)
Electrical energy
b)
Thermal Energy
c)
Chemical Energy
d)
Sound Energy
43.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
44.
What type of material makes the best conductor?
a)
Food
b)
Wood
c)
Styrofoam
d)
Metal
45.
What type of material makes the best insulators?
a)
Aluminum
b)
Copper
c)
Styrofoam
d)
Metal
46.
Which example below is an example of conduction?
a)
Boiling macaroni
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
47.
Which example below is an example of convection?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
48.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
49.
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
50.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
51.
When you use a microwave, what is the main way that heat is transferred?
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
52.
Which of the following is the best example of conduction?
a)
A light bulb warming a lampshade
b)
An egg cooking in a frying pan
c)
Water boiling in a pot
d)
Gases circulating in the atmosphere
53.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
54.
A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?
a)
Solar radiation heated the driveway and then heat transferred to the crayon by conduction.
b)
Solar radiation heated the driveway and then heat transferred to the crayon by radiation.
c)
Solar convection heated the driveway and then heat transferred to the crayon by radiation.
d)
Solar convection heated the driveway and then heat transferred to the crayon by conduction.

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