Skip to main content

Earth Science

ChaoticMind75 - iStock

Why is it colder in the winter even though the Earth is closer to the Sun?

Hands-on Activities

Learn why we have seasons in this hands on activity.

Why is rain not salty?

Why is rain not salty?

Hands-on Activities

Make a model of the water cycle and find out how water moves around on planet Earth.

Weather Map

Why is the weather so hard to predict?

STEM Explained

Meteorologists use computer models to predict the weather. Learn why, despite advances in computer science, meteorologists still get it wrong sometimes.

What would happen if a meteor hit Earth?

What would happen if a meteor hit Earth?

Hands-on Activities

Explore the effects of asteroid impacts in this hands on activity.

hand holding soil

What is soil made of?

Lessons

Students will explore the composition and characteristics of different local soils and learn about what makes soil healthy.

A melting world-shaped glacier

What is Ocean Warming and Why Does It Matter?

STEM Explained

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

What is the Greenhouse Effect?

What is the Greenhouse Effect?

Hands-on Activities

Explore the greenhouse effect and learn about the impacts it can have on the environment.

The planet Mars

What is your weight on another planet?

Hands-on Activities

Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.

What makes soil hard and compacted?

What makes soil hard and compacted?

Hands-on Activities

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

Cumulus Clouds

Weather: Cumulus Clouds

Picture Collections

5 images of cumulus clouds that are white, puffy clouds with a flat base at mid level and are often associated with fair weather

Fluffy snow on deciduous tree

Weather: Snow

Picture Collections

10 images of some snowflake crystals and some winter scenes with snow

Stratus Clouds

Weather: Stratus Clouds

Picture Collections

5 images of stratus clouds that cover a wide horizontal layer in the sky at low level and are often associated with rain or drizzle

Solar panel project in Dakar, Senegal

What are Carbon Offsets?

STEM Explained

Can carbon offsets help you reduce your environmental footprint, practice sustainable living and fight climate change?

Hamilton, Ontario industrial area with Toronto skyline in the background

What are Greenhouse Gases?

Backgrounders

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

What are the effects of acid rain on rocks?

What are the effects of acid rain on rocks?

Hands-on Activities

Learn about the chemical reaction that happens between acid rain and limestone.