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Lawn mower mowing grass

How Do Plants Use Chemical Signalling?

STEM Explained

How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

Dinosaur footprint fossil

How did dinosaurs leave fossils behind?

Hands-on Activities

Using a toy dinosaur and some plaster of Paris, learn how dinosaur footprints could become fossils.

Georgetown, Australia

How Did a Piece of Canada End Up in Australia?

STEM Explained

Learn how geologists used radioactive dating to uncover geology shared by both Canada and Australia.

How can you make popcorn kernels dance?

How can you make popcorn kernels dance?

Hands-on Activities

Get your popcorn kernels dancing with this uplifting chemical reaction.

How can you lift a marble off a table without touching it with your hands?

How can you lift a marble off a table without touching it with your hands?

Hands-on Activities

Is it magic? No - it’s physics! Use circular motion to overcome the force of gravity and amaze your family!

A group of teens riding bicycles

How Can Understanding Physics Help Me Go Faster on My Bike?

STEM Explained

You don’t have to pedal harder to go faster. You just have to understand a little bit about dynamics, gravitational force and friction!

How can I write secret messages?

How can I write secret messages?

Hands-on Activities

Learn how you can write and reveal secret messages in this hands-on chemistry activity.

How can I stop bananas from turning brown?

How can I stop bananas from turning brown?

Hands-on Activities

Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?

DNA "unzipping"

How can I obtain a sample of DNA?

Hands-on Activities

Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.

How can I make glue?

How can I make glue?

Hands-on Activities

Discover how to use some common kitchen ingredients to make glue.

How can I make a volcano?

How can I make a volcano?

Hands-on Activities

Create a model of an erupting volcano and learn about the structures of a stratovolcano in this hands-on activity.