Natural and Synthetic Materials

Question 1

All materials are made from…

Answer 1

chemicals

Question 2

Name 3 materials that are made from chemicals

Answer 2

Metals
Ceramics
Polymers

Question 3

Chemicals are made from

Answer 3

atoms or groups of atoms joined together

Question 4

What is an atom?

Answer 4

A single particle that makes up matter

Question 5

What is meant by ‘matter’?

Answer 5

The ‘stuff’ that everything is made from.

Question 6

What is an element?

Answer 6

A type of atom e.g. iron, nickel, hydrogen, etc.

Question 7

An iron nail is made from

Answer 7

iron atoms

Question 8

Water contains which two elements?

Answer 8

Hydrogen and Oxygen

Question 9

What is a molecule?

Answer 9

Any group of atoms that are chemically bonded together. The atoms can all be the same or different.

Question 10

What is a compound?

Answer 10

A group of atoms chemically bonded together. They MUST be different.

Question 11

Why is water a compound?

Answer 11

It contains two different atoms (hydrogen and oxygen) chemically bonded together.

Question 12

What is a mixture?

Answer 12

A group of substances that are not chemically bonded together e.g. a mixture of water and sand.

Question 13

Name 3 materials that come from plants.

Answer 13

Wood and paper - trees

Cotton - cotton plants

Question 14

Name 3 materials that come from animals.

Answer 14

Wool - sheep
Silk - silk worm larva
Leather - cows

Question 15

What is a synthetic material?

Answer 15

A material made by humans.

Question 16

Name 5 synthetic materials.

Answer 16

Rubber
Nylon
Polyester
Paints
Metal alloys

Question 17

Where does rubber come from?

Answer 17

rubber trees

made in factories

Question 18

What is the advantage of making rubber in a factory?

Answer 18

You can control the properties of the rubber.

Question 19

Name some uses of rubber?

Answer 19

Car tyres, wet suits

Question 20

Name some of the properties that synthetic clothing manufacturers can control

Answer 20

water-proofing
super-stretchy
sparkliness

Question 21

How are paints designed by manufacturers?

Answer 21

The pigments are designed to be tough and to stop the colour fading.

Question 22

Where do the raw materials come from that are used to make metal alloys?

Answer 22

The Earth’s crust e.g. aluminium and chromium.

Question 23

Where are aluminium and chromium found naturally?

Answer 23

In the Earth’s crust.