Physical features and human activities

Question 1

List 7 things that is part of physical features and human activities

Answer 1

Minerals to mine, rivers for fresh water and irrigation, bays to establish harbours and fish in shelter from the weather and rough seas, fertile soil for farming, animals on land or in sea or land to farm on, access to coal, oil or gas for energy, flat land to build on, mountains te set up settlements for protection from invasions

Question 2

Explain a river system

Answer 2

Source, catchment area, watershed, tributary, lake, mouth

Question 3

River system, explain “source”

Answer 3

The place where the river begins

Question 4

River system, explain “catchment area”

Answer 4

The area in high ground that collects the water

Question 5

River system, explain “watershed”

Answer 5

An area in high of high ground that separates two river systems

Question 6

River system, explain “tributary”

Answer 6

Smaller rivers that flow into the main river.

Question 7

River system, explain “lake

Answer 7

When rivers flow into flatter land, these are formed.

Question 8

River system, explain “mouth”

Answer 8

Where the river meets the sea.

Question 9

How long is the Orange River

Answer 9

2100 km

Question 10

How long is the Mfolozi River

Answer 10

50 km

Question 11

People live near rivers or rainfall because?

Answer 11

For drinking water, irrigation, possible food

Question 12

People need to eat. Mentioned 4 things we need to make that happen.

Answer 12

Live near good fertile soil, water for farming, area to keep animals near,area near coast to fish

Question 13

Give examples of “raw materials

Answer 13

minerals, coal, oil, gas

Question 14

Landscape can be flat or mountains. Flat helps with? Mountain helps with?

Answer 14

Flat landscape is easier to build on. Mountainous areas provided protection from invasions before

Question 15

How did humans change the natural environment. Name 8 things

Answer 15

Road and rail construction; overcrowding; destroying habitats; changing river flow; infrastructure; farming chemicals; transport pollution; industry pollution

Question 16

What are dams used for? Name 3.

Answer 16

Dams make rivers more useful for humans, they can store water for houses and industries in large settlements, some dams are hydroelectric power plants

Question 17

Disadvantages of dams. Name 5

Answer 17

Takes up lots of space, there could be less water for people down the river, could flood rivers, when soil is washed into rivers they can hold less water, Expensive and take lots of space.