EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

Explain why deforestation can cause the extinction of an animal species — even if the animals themselves are not harmed when the trees are removed.

Important Questions on Ecology

EASY
Lower Secondary Stage 9
IMPORTANT
What causes acid rain?
EASY
Lower Secondary Stage 9
IMPORTANT
Name three effects of global warming.
EASY
Lower Secondary Stage 9
IMPORTANT
Do some research to find out where clean water is not readily available in the world.
EASY
Lower Secondary Stage 9
IMPORTANT

Scientists say that we need to conserve drinking water because it might run out. Use the Internet to do some research about this.

What does it mean to conserve drinking water?

EASY
Lower Secondary Stage 9
IMPORTANT

Scientists say that we need to conserve drinking water because it might run out. Use the Internet to do some research about this.

Why it is important that we conserve drinking water?

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Look at figure 3.22. Would you say that the air pollution level there is low or high? Explain your answer.

Question Image

EASY
Lower Secondary Stage 9
IMPORTANT
Climate scientists work in large teams, often spread across the world, sharing ideas and findings using the internet.They study data from satellites orbiting the Earth. The satellites collect many types of data including land and sea temperatures, areas of sea ice and weather patterns. Research a scientist or group of scientists who are studying the impact of humans on the Earth.
What are the main aims of this scientist or group?