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Wall of clocks

Universal Coordinated Time

Grade
12
Jurisdiction
ON
Today, you know it's the same time everywhere in your time zone thanks to Universal Coordinated Time. But when humans used the Sun to tell time, they couldn’t tell time precisely.
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Universal Coordinated Time

How do animals hide?

How do animals hide?

Play a game of hide and seek to discover how animals can hide in plain sight!
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How do animals hide?

Circle of colours

What is white light?

Find out what happens if you spin the colours of the rainbow in this hands-on activity.
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What is white light?

How do animals stay warm in the winter?

How do animals stay warm in the winter?

Animals have some unique adaptations to stay warm. Discover what conduction of heat and insulation have to do with staying warm!
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How do animals stay warm in the winter?

Why can we see shadows at night?

Why can we see shadows at night?

Take a walk after dark to find shadows.
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Why can we see shadows at night?

How can I move water with just a comb?

How can I move water with just a comb?

Have you ever experienced static electricity? Like when you pull a wool sweater over your head in the winter? See what else static electricity can do in this hands-on activity.
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How can I move water with just a comb?

What is the Greenhouse Effect?

What is the Greenhouse Effect?

Explore the greenhouse effect and learn about the impacts it can have on the environment.
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What is the Greenhouse Effect?

How does water move up a plant?

How does water move up a plant?

Do an experiment with celery to learn about the structures that help plants take up water.
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How does water move up a plant?

Is there a difference between baking powder and baking soda?

Is there a difference between baking powder and baking soda?

Explore acid-base chemical reactions that really get things bubbling in the kitchen!
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Is there a difference between baking powder and baking soda?

Why is everything so small down there?

Why is everything so small down there?

Explore how we see things far and near and from different angles. It's all about perspective!
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Why is everything so small down there?

How do I construct a terrarium?

How do I construct a terrarium?

You can make your own terrarium for growing plants!
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How do I construct a terrarium?

Is a green apple always green?

Is a green apple always green?

What does light have to do with colour? Observe some colourful fruit under different conditions to learn why we see the colours we see!
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Is a green apple always green?

How can I stop bananas from turning brown?

How can I stop bananas from turning brown?

Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?
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How can I stop bananas from turning brown?

Why is rain not salty?

Why is rain not salty?

Make a model of the water cycle and find out how water moves around on planet Earth.
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Why is rain not salty?