Nature Basics
Pollution & Problems
Solutions & Actions
100

What is nitrogen?

 This gas makes up about 78% of Earth’s atmosphere.

100

What is air pollution?

This type of pollution comes from car exhaust and factories.

100

What is energy?

Turning off lights when you leave a room helps save this.

200

What is South America?

The largest rainforest in the world is located in this continent.

200

What are marine animals?

Plastic waste in oceans harms this group of animals (e.g., turtles, fish).

200

What are Reduce, Reuse, Recycle?

The three R’s of waste management.

300

What are solid, liquid, and gas?

These are the three main states of water.

300

What is carbon dioxide (CO₂)?

The main greenhouse gas responsible for global warming.

300

What is renewable energy?

Energy from the sun, wind, or water that doesn’t pollute the air.

400

What is the ozone layer?

This layer of the atmosphere protects us from the Sun’s harmful UV rays.

400

What is deforestation?

This term describes the loss of forests, often for farming or logging.

400

What is the Paris Agreement?

This international agreement aims to limit global temperature rise.

500

What is photosynthesis?

The process by which plants make their own food using sunlight.

500

What is increased carbon dioxide in the atmosphere?

A major cause of ocean acidification, linked to burning fossil fuels.

500

What is veganism?

A lifestyle choice that avoids all animal products to reduce environmental impact.