![How can I build a rollercoaster?](/sites/default/files/2019-08/how-can-i-build-a-roller-coaster.jpg)
How can I build a rollercoaster?
Hands-on Activities
Try your hand at building a “super coaster” using materials around your home.
![Green walls in Harvard University](/sites/default/files/styles/resource_card_image_360x300_/public/2020-05/Green_wall_Harvard_University.jpg?itok=_ivWsw8S)
Green Walls
STEM Explained
Green walls use plant processes to improve air quality in buildings.
![How can I engineer a raft so that it holds the most weight?](/sites/default/files/2019-08/how-can-i-engineer-a-raft.jpg)
How can I engineer a raft so that it holds the most weight?
Hands-on Activities
Explore the forces of gravity and buoyancy while designing a raft to hold the most weight possible.
![fancy guppies](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/fancy-guppies.jpg?itok=3im2BfH2)
Guppies, Guppies Everywhere!
STEM Explained
How do different populations adapt to their environment? Let’s explore this concept through guppy speciation.
![How can I get a quarter through a dime sized hole?](/sites/default/files/2019-08/how-can-i-get-a-quarter-through-a-dime-sized-hole.jpg)
How can I get a quarter through a dime sized hole?
Hands-on Activities
Can you think like an engineer? Try to solve a tricky size and shape problem in this activity.
![aging through childhood, adulthood and old age](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/stages-of-woman.jpg?itok=LhPM5_xB)
Have Scientists Found a Way for People to Live Longer?
STEM Explained
Everything and everyone ages. But scientists have made discoveries about our cells and circulatory and immune systems that could potentially one day be used to increase human lifespans.
![How can I make a bottle rocket?](/sites/default/files/2019-08/how-can-i-make-a-bottle-rocket.jpg)
How can I make a bottle rocket?
Hands-on Activities
Use a pop bottle and other everyday materials to create a rocket that you can launch outdoors.
![Group Talk](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Group_talk.jpg?itok=Y3aB10xL)
Group Talk
Teaching STEM
This strategy helps students share and listen to the ideas and questions of others
![Lacks historical marker in Clover, Virginia](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Henrietta_Lacks_historical_marker.jpg?itok=pUlVzPub)
Why is Henrietta Lacks Important?
STEM Explained
When the cells of Henrietta Lacks were collected by medical researchers after her death in 1951, it changed the future of medicine.
![Bee exiting a bee house](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Bee_exiting_a_bee-house.jpg?itok=93hHiCWz)
Design & Build a Bee House
Lessons
Students will learn about the human impacts on bee populations as they design, test, build and observe a structure for solitary bees.
![Woodpecker on a tree](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/woodpecker-in-the-snow.jpg?itok=WmWgTEIl)
Do Woodpeckers Get Concussions?
STEM Explained
Pecking puts a lot of force on a woodpecker’s brain. But scientists think woodpecker bodies are adapted to help keep them from being injured during pecking-related collisions.
![La Grande-1 dam in Quebec](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/La-Grande-1_dam_Quebec.jpg?itok=EqccgtRE)
Design & Build a Dam
Lessons
Students will work collaboratively to design and build a dam that holds back a given volume of water for a certain time.
![a boy looks at a hamburger](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/boy_looking_at_hamburger.png?itok=Lc9CtrR6)
Do You Know What's On Your Plate?
STEM Explained
In 2013, many Europeans learned their beef lasagnas were actually made of horse meat. Learn about food fraud, and how a Canadian invention can help detect it.
![Sunken boat](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Sunken_boat.jpg?itok=6LslrCNu)
Design & Build a Floating Device
Lessons
Students work collaboratively to design and build a floating device.
![Energy-saving light bulbs are a great way to save money at home](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/one-hanging-energy-saving-light-bulb.jpg?itok=IocGQakA)
Energy Efficiency at Home
STEM Explained
If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!