Term 4: Unit 1: Natural resources: pg. 204 - 206

Question 1

What are natural resources?

Answer 1

Natural resources = anything that occurs in nature.

Question 2

WATER
It is the _____ of all life on Earth. Water covers ____% of the Earth’s surface. Over 95% of the Earth’s water is found in the ______, so only a very small amount of water on Earth is available for people to use.

Answer 2

• Basis
• 70%
• Oceans

Question 3

AIR

Air is mainly composed of ______, oxygen and argon.

Answer 3

• Nitrogen

Question 4

FORESTS

Forests are essential for life because they help to provide _______ air.

Answer 4

• Clean

Question 5

SOIL
Soil is the ____ layer of the Earth’s surface. It is made up of particles of ______ rock due to weathering and ______. Soil is also essential for our ______ because most food comes from agriculture, which needs soil.

Answer 5

• Top
• Broken
• Erosion
• Survival

Question 6

ANIMALS

They supply us with _____.

Answer 6

• Food

Question 7

MARINE LIFE

Marine life is a ____ resource, and provides food, ________ and raw materials.

Answer 7

• Vast

- Medicine

Question 8

MINERALS

Minerals include iron, _____ and gold. We use many of them in ____________.

Answer 8

• Copper

- Manufacturing

Question 9

FOSSIL FUELS
Fossil fuels are also naturally occurring substances found ____ the Earth’s surface. They take _____ of years to form inside the Earth from dead plants and ______. Examples of fossil fuels include coal and crude ___. Fossil fuels are important because we use them to produce _______.

Answer 9

• Below
• Millions
• Animals
• Oil
• Energy

Question 10

What do we use water for? Name 6.

Answer 10

1. Drinking
2. Cooking
3. Washing
4. Recreation
5. Agriculture - to grow crops
6. Industries - in the manufacturing process

Question 11

What is the main use of soil?

Answer 11

To grow crops.

Question 12

What can soil also be used for, besides to grow crops? Name 2.

Answer 12

1. Construction

2. Industry

Question 13

What can timber from forests be used for? Name 2.

Answer 13

1. To make furniture

2. To make rafters to hold up roofs of houses

Question 14

What do trees in forests do to make sure that our air is clean?

Answer 14

They do the process of photosynthesis.

Question 15

What do we mainly use fossil fuels for?

Answer 15

To produce energy.

Question 16

How do we abuse water? Name 2 ways.

Answer 16

1. We abuse it by wasting it

2. When we pollute it

Question 17

How do we abuse soil? Name 2 ways.

Answer 17

1. When we cause soil erosion

2. When we pollute it

Question 18

How do we abuse forests? Name 2 ways.

Answer 18

1. Deforestation for houses and farming

2. Firewood

Question 19

How do we abuse fossil fuels? Name 1 way.

Answer 19

We abuse fossil fuels by our ever-increasing demand for energy. The pollution caused by power stations cause global warming, climate change and unusual weather (acid rain).