Climate Change
Animals & Ecosystems
Pollution
Energy
Water and Land
100

What do we call the warming of Earth’s atmosphere?

Global warming

100

What do plants make that animals need to breathe?

Oxygen

100

What kind of pollution makes the air dirty?

Air pollution

100

What energy source comes from the sun?

solar energy

100

What do humans need to drink every day?

water

200

Name one gas that makes Earth warmer.

Carbon dioxide (CO₂)

200

What do we call animals that eat only plants?

Herbivores

200

What should you do with trash instead of littering?

Throw it away / recycle

200

Name one renewable energy source

Solar, wind, or water power

200

What is the biggest ocean on Earth?

Pacific Ocean

300

What do cars release that pollutes the air?

Exhaust / carbon emissions

300

What is the “home” where animals live called?

Habitat

300

What happens when plastic ends up in the ocean?

Animals can eat it or get hurt

300

What kind of energy do we get from moving water?

Hydropower

300

What happens when forests are cut down?

Deforestation / animals lose homes

400

What happens to sea levels when ice melts?

They rise

400

Why are bees important for flowers?

They pollinate them

400

What is the word for too many chemicals in rivers and lakes?

Water pollution

400

Why is coal considered “nonrenewable”?

It can’t be replaced quickly

400

What is the word for water found underground?

Groundwater

500

Why are polar bears losing their homes?

ice is melting in the Arctic

500

What happens if a species goes extinct?

It disappears/ no longer exists

500

Why is smog bad for people’s health?

Affects air circulation in the lungs

500

What’s one reason solar panels are good for the environment?

They don’t cause pollution

500

Why is clean water important for people and animals?

For drinking and staying healthy

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