Grade 7 Natural Resources and Conservation in South Africa

Industries are responsible for a lot of the air pollution in South Africa.

Having to breathe polluted air may cause respiratory problems, headaches, sleepiness and even lung cancer.

Approximately 97 per cent of all the water on Earth is found in the oceans.

This feature is called a ...

The rapid growth of algae and water hyacinth has resulted in this South African dam.

Someone who travels to a country to see their famous landmarks.

Someone who visits a country to visit their conservation sites.

The rapid growth of algae & water hyacinth, which is using up the oxygen in the water, causes the fish to die.

Some domesticated animals are resources and are trained to work with the police and the blind.

All the food we eat relies on soil for it to grow so it is a very important resource.

Water is constantly moving from the land into the air, & back again. This movement of water is known as the water cycle.

The pie graph below shows that more than half of South Africa’s water is used for agriculture and irrigation.

Forests act as the lungs of the world by producing carbon dioxide.

South Africa has one of the worst soil erosion problems in the world.

How does eco-tourism benefit the local community?

Air is an ... natural resource.

The lowest water use is environmental use.

Trees are one of the most important and useful resources.

Water, in the form of, for example, dew, rain, sleet or snow, returns to the Earth. This is called perspiration.

The province that does not have a forest is ...

Water used for swimming is ...

Water used for making jeans is ...

This is used to describe how much freshwater a person or a business uses.

In the atmosphere, about 95 per cent of the total air is present up to a height of 200 km above the Earth’s surface.

Wetlands don't offer much use to the environment.

Water used for cooking is ...

Nitrogen makes up 78% of the air we breathe.

The main threat to our animal resources are overfishing and poaching.

Wind & water are the main agents of soil erosion. The amount of soil they can carry away is influenced by two factors:

Soil erosion is the removal of soil by only water.

Wild animals in game reserves are a resource as many tourists visit South Africa see them in their natural environment.

A wetland is an area that is covered with water for most or all of the year.