Population And Growth Change (2)

Question 1

What was the world’s population in 1 AD?

Answer 1

200 Million

Question 2

What was the world’s population in 2012?

Answer 2

Seven billion

Question 3

Why has the population increased so rapidly?

Answer 3

Because farmers are able to produce enough food to feed extra people. The change from hunter-gathering to farming means more food is available.

Question 4

New farming methods in Europe during the ____ changed the way people farmed the land. These methods produced extra ___ for the growing towns and cities.

Answer 4

1700s

Food

Question 5

What is sanitation?

Answer 5

Management of water supplies and sewage.

Question 6

What are medicinal drugs?

Answer 6

Chemicals that work inside the body to treat or prevent illnesses.

Question 7

We have seen how disease ______ wiped out large numbers of people in the past.

Answer 7

Pandemics

Question 8

______ has helped us understand what causes certain diseases and how diseases _______ our bodies. This has made it easier to treat and control diseases.

Answer 8

Science

Effect

Question 9

What are the two scientific developments that helped control diseases?

Answer 9

Vaccinations and certain medicinal drugs.

Question 10

What do vaccinations do?

Answer 10

Prevent people from getting certain diseases.

Question 11

What does giving children vaccinations do?

Answer 11

It means they will not become seriously ill with diseases that may have killed them in the past.

Question 12

Which diseases can be successfully vaccinated against?(7)

Answer 12

• Tetanus
• Yellow Fever
• Flu
• Typhoid
• Measles
• Cholera
• Polio

Question 13

Doctors use certain _____ to treat people who have specific _______such as e.g. Malaria, TB, pneumonia and HIV.

Answer 13

Drugs

Illnesses

Question 14

What doctors use antibiotics for?

Answer 14

How to prevent the spread of infections in people’s bodies.

Question 15

What are antiseptics used for?

Answer 15

Help control infections and make operations more successful.

Question 16

All communities have knowledge about certain _____ and plants that people use to heal and treat illnesses. This is part of their _____ knowledge.

Answer 16

Herbs

Indigenous

Question 17

True or false

Many serious diseases are spread by people drinking dirty water.

Answer 17

True

Question 18

What has science done to make dirty water safe to drink?

Answer 18

They have developed ways of purifying water.

Question 19

What has supplying people with clean water done?

Answer 19

It has reduced the death rates among children.

Question 20

What percentage of people in South Africa get clean and safe drinking water from the tap?

Answer 20

90%

Question 21

What reduces water pollution and spread of disease?

Answer 21

Improvements in sanitation and the development of better toilets.

Question 22

How can toilet waste be removed in cities?

Answer 22

By flushing toilet that use water.

Question 23

True or false

It is very expensive to develop the same kind of sanitation in rural areas?

Answer 23

True

Question 24

What is preventative healthcare?

Answer 24

Things you can do to reduce or prevent sicknesses.

Question 25

What is curative health care?

Answer 25

Things that can be done to treat or cure illnesses.

Question 26

What is physiotherapy?

Answer 26

The use of physical methods such as massage to help heal damaged muscles and joints.

Question 27

Which one is better preventative healthcare and curative health care?

Answer 27

Curative healthcare

Question 28

Have the two healthcare types increased or decreased life expectancy ?

Answer 28

Increased