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Unit 4: Weather Systems

CO2 symbol in front of a school

Carbon Dioxide: Outdoors and Indoors

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Learn about the importance of carbon dioxide, its sources and how people control it indoors.

Air conditioner and plant

Humidity: Outdoors and Indoors

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Learn about the importance of humidity, its sources and how people control it indoors.

Silhouette of person in front of aurora

Auroras: Spectacular Light Shows

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Learn about auroras - spectacular light shows in the night sky.

Portrait de Sara Knox

Sara Knox (she/her)

Career Profiles

Assistant Professor (biometeorology)

I study ways to restore and protect ecosystems to help fight climate change.
Twenty-sided die

How Likely Is It?

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Learn about probability, a branch of mathematics that helps us predict if something might happen.

The three RADARSAT Constellation Mission spacecraft

7 ways Satellites Help Fight Climate Change

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Discover 7 ways satellite Earth observation helps fight climate change.

Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective

Let's Talk Mars Resources

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Discover a set of resources to get you up to speed on the discussion surrounding Mars

Satellites orbiting Earth

Introduction to Satellites

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Learn about the history, functions, and types of satellites.

Four Harvard training aircraft

How Planes Fly

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Learn about what gets planes up in the air, what keeps them up there, and what brings them down again.

Astronauts from the Apollo Mission landing on the moon.

Let's Talk Lunar Resources

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Discover some background information on how we'll learn to live and work on the Moon - and beyond!

Marty Robitaille pilotant un aéroglisseur

Marty Robitaille

Hovercraft Captain

Hands holding a hot mug

Introduction to Heat Transfer

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Learn about the different ways that heat is transferred.

Wind turbine and electrical cord

Generating Electricity: Wind Power

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Learn how moving air can be used to generate electricity.

Jean Paquin outside

Jean Paquin

Water Resources Analyst Engineer at Rio Tinto

Jean Paquin is a Water Resources Analyst Engineer at Rio Tinto.
Solar power illustration

Generating Electricity: Solar Cells

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Learn how energy from the Sun can be used to generate electricity.