Materials: Properties and Uses | Science Quiz for Year 3

Question 1

Which type of spoon is better for stirring hot food: metal, plastic, or wood?

Accepted Answer

Plastic or wooden spoons, because they are better insulators.

Answer

Metal spoons, because they conduct heat better.

Answer

Metal spoons, because they are lighter.

Answer

Plastic or wooden spoons, because they are more durable.

Question 2

Why is rubber a suitable material for making tires?

Accepted Answer

It provides good grip and friction.

Answer

It is inexpensive.

Answer

It is very strong.

Answer

It conducts heat well.

Question 3

You have four different types of paper: newspaper, printer paper, cardboard, and tissue paper. How can you test which type of paper is the strongest?

Accepted Answer

Hang a weight from a strip of each type of paper and see which one can hold the most weight before tearing.

Answer

Drop a ball of each type of paper from a height and see which one bounces the highest.

Answer

Soak a piece of each type of paper in water for 24 hours and see which one is the hardest to tear.

Question 4

Which word means a material that can be stretched and pulled without breaking?

Accepted Answer

Flexible

Answer

Hard

Answer

Strong

Answer

Brittle

Question 5

You want to find out which fabric is the strongest. What is the best way to do this?

Accepted Answer

Hang the fabrics from a hook and see how much weight they can hold before they tear.

Answer

Stretch the fabrics until they break and measure how far they stretch.

Answer

Heat the fabrics and see how much they shrink.

Answer

Bend the fabrics and see how many times they can be bent before they break.

Question 6

Which material below lets light pass through it most easily?

Accepted Answer

A window

Answer

A sheet of paper

Answer

A piece of frosted glass

Answer

A brick wall

Question 7

Which material will transfer heat more effectively: a thick wooden board or a thin metal sheet?

Accepted Answer

The thin metal sheet

Answer

The thick wooden board

Answer

Both materials will transfer heat equally

Answer

Neither material will transfer heat

Question 8

You have four different pieces of fabric. How can you test which fabric would be the best choice for making a fire-resistant blanket?

Accepted Answer

Set the fabrics on fire and measure how long they take to burn out.

Answer

Stretch the fabrics and measure how much they stretch before they break.

Answer

Weigh the fabrics and measure their thickness.

Answer

Expose the fabrics to heat and measure how much heat they absorb.

Question 9

When designing a bridge, which material would be the best choice for its main supports? Explain your choice.

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Fabric

Question 10

Why are metals good conductors of electricity but poor conductors of heat?

Accepted Answer

Metals have loosely bound electrons that can move freely, allowing for high electrical conductivity but low thermal conductivity.

Answer

Metals have tightly packed atoms that make it difficult for heat to pass through.

Answer

Metals have a high density, making it difficult for heat to pass through.

Question 11

You have a wooden ball and a metal ball of the same size. You drop both balls into a container of water at the same time. Which ball will sink to the bottom first?

Accepted Answer

The metal ball, because it is more dense than water.

Answer

The wooden ball, because it is less dense than water.

Answer

Both balls will float, because they are both less dense than water.

Answer

Both balls will sink, because they are both more dense than water.

Question 12

You have a block of ice and a block of metal, both at the same temperature. You place both blocks on a heat source. Which block will melt first and why?

Accepted Answer

The metal block will melt first because it conducts heat better.

Answer

The ice block will melt first because it is colder.

Answer

Both blocks will melt at the same time because they are at the same temperature.

Answer

Neither block will melt because the heat source is not strong enough.

Question 13

You have two wooden sticks of the same length. One stick is thick and the other is thin. You push hard on both ends of both sticks. Which stick will break first?

Accepted Answer

The thin stick will break first because it has less wood.

Answer

The thick stick will break first because it has more wood.

Answer

Both sticks will break at the same time because they are made of the same material.

Answer

Neither stick will break because wood is a very strong material.

Question 14

Which property of wood allows a wooden boat to float higher in water than a metal boat of the same size and shape?

Accepted Answer

Lower density

Answer

Greater flexibility

Answer

Different shape

Question 15

Why might glass not be the best material for making a window?

Accepted Answer

Glass is fragile.

Answer

Glass is too heavy.

Answer

Glass is not transparent.

Answer

Glass does not conduct heat well.

Question 16

How do the tiny building blocks inside a material, called atoms and molecules, affect how it behaves?

Accepted Answer

They decide how strong, bendy, or heat-resistant it is.

Answer

They don't affect how it behaves at all.

Answer

They only affect how the material looks.

Answer

The way the material behaves decides how the tiny building blocks are arranged.

Question 17

How could you show that some materials can produce electricity when pressure is applied?

Accepted Answer

Rub a balloon on your hair and then hold it close to small pieces of paper.

Answer

Heat a metal spoon in a glass of water and observe what happens.

Answer

Drop a magnet from a height and observe what happens.

Question 18

Why is it important for designers to think about the environmental impact of the materials they use?

Accepted Answer

Recycling some materials reduces waste and saves resources.

Accepted Answer

Producing some materials can harm the environment by releasing chemicals.

Answer

Materials with a low environmental impact are always less expensive.

Answer

The environmental impact of materials has no effect on the quality of the product.

Question 19

Which material is the strongest?

Accepted Answer

Steel

Answer

Paper

Answer

Wood

Answer

Plastic

Question 20

Which material is the most flexible?

Accepted Answer

Rubber

Answer

Glass

Answer

Metal

Answer

Brick

Question 21

Which material is the best conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Fabric

Question 22

Which of the following is NOT a property of materials?

Accepted Answer

Colour

Answer

Strength

Answer

Flexibility

Answer

Thermal conductivity

Question 23

Which of the following is an example of a material that is used to make clothes?

Accepted Answer

Cotton

Answer

Wood

Answer

Steel

Answer

Glass

Question 24

Which of the following is a good material for making a bridge?

Accepted Answer

Concrete

Answer

Paper

Answer

Plastic

Answer

Sponge

Question 25

Which of the following is a material that is both strong and flexible?

Accepted Answer

Leather

Answer

Cardboard

Answer

Glass

Answer

Brick

Question 26

Which of the following is a material that is commonly used to make electrical wires?

Accepted Answer

Aluminium

Answer

Wood

Answer

Plastic

Answer

Paper

Question 27

Which material is the most flexible? (Choose the best option)

Accepted Answer

Rubber

Answer

Metal

Answer

Glass

Answer

Paper

Question 28

Which material is the best conductor of heat? (Choose the best option)

Accepted Answer

Metal

Answer

Plastic

Answer

Water

Answer

Wood

Question 29

Which material is used to make clear bottles? (Choose the best option)

Accepted Answer

Glass

Answer

Metal

Answer

Plastic

Answer

Paper

Question 30

Which material is used to build strong bridges? (Choose the best option)

Accepted Answer

Metal

Answer

Plastic

Answer

Paper

Answer

Wood

Question 31

Which material would be a good choice for making a raincoat? (Choose the best option)

Accepted Answer

Plastic

Answer

Metal

Answer

Paper

Answer

Wood

Question 32

Which material would be a good choice for making a frying pan? (Choose the best option)

Accepted Answer

Metal

Answer

Plastic

Answer

Glass

Answer

Wood

Question 33

Which material allows water to pass through it easily? (Choose the best option)

Accepted Answer

Sponge

Answer

Metal

Answer

Plastic

Answer

Wood

Question 34

Which of these materials is the strongest?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 35

Which of these materials is the most flexible?

Accepted Answer

Rubber

Answer

Glass

Answer

Metal

Answer

Wood

Question 36

Which of these materials conducts heat the best?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 37

Which of these materials is used to make windows?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Rubber

Question 38

Which of these materials is used to make tires?

Accepted Answer

Rubber

Answer

Wood

Answer

Metal

Answer

Plastic

Question 39

Why is metal a good choice for making pots and pans?

Accepted Answer

It conducts heat well.

Answer

It is strong.

Answer

It is flexible.

Answer

It is waterproof.

Question 40

Which of the following is NOT a property of materials?

Accepted Answer

Colour

Answer

Strength

Answer

Flexibility

Answer

Thermal conductivity

Question 41

How can you test the flexibility of a material?

Accepted Answer

Bend it

Answer

Hit it

Answer

Heat it

Answer

Cool it

Question 42

Which of the following is a renewable material?

Accepted Answer

Wood

Answer

Metal

Answer

Plastic

Answer

Glass

Question 43

Which of the following materials is the strongest? In other words, the one that can withstand the most force without breaking?

Accepted Answer

Steel

Answer

Cotton

Answer

Rubber

Answer

Plastic

Question 44

Which of these materials is the most flexible? Flexibility means how easily you can bend something without breaking it.

Accepted Answer

Rubber

Answer

Glass

Answer

Wood

Answer

Metal

Question 45

Which of these materials conducts heat the best? In other words, which one allows heat to pass through it most easily?

Accepted Answer

Metal

Answer

Air

Answer

Plastic

Answer

Wood

Question 46

Which of the following materials is commonly used to make windows, letting light pass through but not air?

Accepted Answer

Glass

Answer

Paper

Answer

Metal

Answer

Rubber

Question 47

Which of these materials is commonly used to make car tires, because it can withstand friction and pressure?

Accepted Answer

Rubber

Answer

Cotton

Answer

Plastic

Answer

Steel

Question 48

Which of the following materials is not waterproof, meaning it allows water to pass through it?

Accepted Answer

Paper

Answer

Plastic

Answer

Glass

Answer

Rubber

Question 49

Which of the following materials is commonly used to make clothes, because it is soft and comfortable to wear?

Accepted Answer

Cotton

Answer

Metal

Answer

Rubber

Answer

Glass

Question 50

Which of these materials is commonly used to make bridges, because it is strong and can hold a lot of weight?

Accepted Answer

Steel

Answer

Paper

Answer

Wood

Answer

Plastic

Question 51

What is NOT a property of materials?

Accepted Answer

Beauty

Answer

Strength

Answer

Flexibility

Answer

Weight

Question 52

Which material is the most flexible?

Accepted Answer

Rubber

Answer

Metal

Answer

Plastic

Answer

Wood

Question 53

Which of the following materials is the best conductor of heat?

Accepted Answer

Metal

Answer

Glass

Answer

Wood

Answer

Plastic

Question 54

Which material is the strongest?

Accepted Answer

Metal

Answer

Paper

Answer

Wood

Answer

Fabric

Question 55

Which of the following is a good use for a flexible material?

Accepted Answer

Making a jump rope

Answer

Building a bridge

Answer

Constructing a house

Answer

Making a spoon

Question 56

Which of the following is a material that can conduct electricity well?

Accepted Answer

Metal

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 57

Which of the following is a material that comes from nature?

Accepted Answer

Wood

Answer

Plastic

Answer

Metal

Answer

Rubber

Question 58

Which material can absorb the most water?

Accepted Answer

Paper

Answer

Metal

Answer

Plastic

Answer

Glass

Question 59

Which material allows you to see through it clearly?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Plastic

Question 60

Which material is the hardest to bend or break?

Accepted Answer

Metal

Answer

Paper

Answer

Plastic

Answer

Wood

Question 61

Which material can stretch the most before it tears?

Accepted Answer

Rubber

Answer

Glass

Answer

Concrete

Answer

Metal

Question 62

Which material lets heat pass through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 63

What material do we use to see through windows?

Accepted Answer

Glass

Answer

Paper

Answer

Wood

Answer

Metal

Question 64

What material is used to build bridges that can hold lots of weight?

Accepted Answer

Concrete

Answer

Plastic

Answer

Rubber

Answer

Paper