![Why do oil and water not mix?](/sites/default/files/2019-08/why-do-oil-and-water-not-mix.jpg)
Why do oil and water not mix?
Hands-on Activities
What chemistry determines how oil and water behave when mixed? Explore the mixing of oil and water and the density of liquids in this activity.
![Why do raisins dance in soda pop?](/sites/default/files/2019-08/why-do-raisins-dance-in-soda-pop.jpg)
Why do raisins dance in soda pop?
Hands-on Activities
Let them bop ‘til they drop! What causes these raisins to reach new heights in this hands on activity?
![What is immiscibility?](/sites/default/files/2019-08/what-is-immiscibility.jpg)
What is immiscibility?
Hands-on Activities
Creating mixture of liquids can be very useful, but why do some liquids not mix well? Learn what causes liquids to be immiscible.
![Sound waves](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Sound_wave_icons.jpg?itok=GMAHUQyT)
What is Sound and How do we Hear it?
Backgrounders
Learn how sound travels in waves and how it is measured in this backgrounder.
![What is the best way to clean up an oil spill?](/sites/default/files/2019-08/what-is-the-best-way-to-clean-up-an-oil-spill.jpg)
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
![What kinds of transportation are there?](/sites/default/files/2019-08/what-kinds-of-transportation-are-there.jpg)
What kinds of transportation are there?
Hands-on Activities
Go on a transportation scavenger hunt in this hands-on activity. How many different types of vehicles can you identify?
![Hammer and nails](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Hammer_and_nails.jpg?itok=6zgbn6qn)
Which Fastener is Best?
Lessons
Students will learn about the different types of fasteners to investigate which fastener is best for a particular material or job and why.
![The Electronic Sackbut Synthesizer](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Electronic_Sackbut_Synthesizer.jpg?itok=jubC6sRr)
Who Created the Electronic Synthesizer?
STEM Explained
A Canadian researcher built the first voltage-controlled synthesizer in the 1940s.
![What do magnets do?](/sites/default/files/2019-08/what-do-magnets-do.jpg)
What do magnets do?
Hands-on Activities
Have fun discovering what magnets can pick up in this hands on activity.
![Chisels Chisels](/sites/default/files/styles/resource_card_image_360x300_/public/Klopfholz_mit_Beiteln.jpg?itok=I8HFNy5J)
Simple Machines: Wedges
Picture Collections
6 images of some tools such as axes and spikes that are inclined planes and used to help push objects apart
![Ferris Wheel: The London Eye Ferris Wheel: The London Eye](/sites/default/files/styles/resource_card_image_360x300_/public/London_Eye_-_head_on_view.jpg?itok=LdM6yYsS)
Simple Machines: Wheels And Axles
Picture Collections
6 images of some objects such as ferris wheels and skate boards with wheel and axle mechanisms that create rotary movement
![Graphic of a tuning fork with sound waves coming out of both sides.](/sites/default/files/styles/resource_card_image_360x300_/public/2022-11/tuning-fork.jpg?itok=156nSpC9)
Exploring Sound
Lessons
Students will learn about and explore the properties of sound through activity centres.
![Sound waves and sound-producing devices. Image © jop_pop, istockphoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Sound%20waves%20and%20sound-producing%20devices.jpg?itok=6ATkmIUM)
Sound vs. Noise
STEM Explained
What is the difference between sound and noise? How do they affect your hearing? And is noise always a bad thing?
![Replica of the earliest wooden model stethoscope](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/stethoscope_replica_ingenium.jpg?itok=RgHTg8L2)
Stethoscope Replica
Interactives
Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!
![Roller Coaster Roller Coaster](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1454520910860-c95bba7de5a2.jpg?itok=9wC1kwyB)
Simple Machines: Inclined Planes
Picture Collections
5 images of examples where inclined planes are used to help lift or move objects such as ramps for accessibility or entertainment