1
What is pollution?
Harmful substances in the environment.
Name one effect of climate change.
Rising temperatures / floods / droughts / melting ice.
Why is recycling important?
It reduces waste and protects the environment.
What is a drought?
A long period without rain.
Mention one environmental disaster.
Flood, wildfire, oil spill, earthquake, hurricane, etc.
What is the formula for mean (average)?
Sum of values ÷ number of values.
Find the average: 10, 20, 30
20
Why is average useful in real life?
To analyze data and compare information.
Find the average: 15, 25, 35, 45
30
What is the formula for the area of a rectangle?
Length × Width
What is the formula for the area of a triangle?
Base × Height ÷ 2
Why is area important in real life?
It helps measure space for houses, gardens, buildings, etc.
What is water pollution?
Dirty or harmful substances in water.
Why is clean water important?
Because humans, animals, and plants need it to live.
Name one natural resource.
Water / trees / oil / sunlight / air.