Physics is the study of matter — what is it made of? How does it behave? What laws or equations describe it? From subatomic particles, to the Big Bang, modern physicists study matter at a tremendous range of scales. There's a whole lot of interesting physics at the human scale, too.
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| Build a Paper Roller Coaster Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 922 reviews Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in this project you'll make one out of paper and tape, and learn about roller coaster physics along the way! Read more
Build a Balloon Car Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 701 reviews Build a balloon-powered car from recycled materials in this fun activity. You can even grab a friend, build two cars, and race them against each other! Read more
Build a Popsicle Stick Catapult Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 219 reviews Catapults were mighty handy for pirates in the golden age of piracy (during the 17th century). And medieval knights used them centuries earlier for taking down massive castle walls. Even Greeks and Romans used catapults about 2,000 years ago! These simple machines are quite handy, as long as you know how to aim them! In this science activity you will try your hand at catapult technology. Can you predict where your cotton ball will land? Read more
Featured Make String from Algae Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 57 reviews Did you know that the seaweed you've seen in the ocean or even eaten as a snack is inspiring innovators to imagine new materials? Large brown algae, like kelp, contains polymers—long chains of molecules—that are more environmentally friendly than the ones in most plastics. These natural polymers (alginates) could eventually be used to create sustainable everyday objects. Try your hand at using a bit of chemistry to turn biodegradable polymers from algae into your own custom… Read more
Make a Cotton Ball Launcher Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 236 reviews Have you ever stretched and launched a rubber band at someone? Put that energy to good use and build a rubber band-powered cotton ball launcher in this fun activity! Read more
Build A Wall Marble Run Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 57 reviews In this activity, you will use recyclable materials to make your own wall marble run. A marble run is a fun toy and a great way to learn about physics concepts like kinetic and potential energy. Do you think your marble will make it to the end of the track? Read more
Build a Telescope Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 48 reviews Build your own telescope that you can use to see far-off objects in this fun STEM activity! The type of telescope you will build in this activity is also called a monocular or a spyglass. Read more
Why Soda Fizzes — Boyle's Law Demonstration Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 15 reviews You have probably cracked open a soda before to see the liquid fizz right up out of the bottle, creating a huge mess. Why does that happen? It has to do with the carbon dioxide gas that is added to the liquid to make it fizzy. Opening the bottle releases the built-up pressure by the gas inside, causing the gas-liquid mixture to rush out the bottle. In this activity, you will demonstrate with the help of air- and water-filled balloons how a gas changes volume depending on its pressure. Read more
Popsicle Stick Chain Reaction Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 60 reviews If you enjoy chain reactions and spectacular sights, this activity is for you! Who knew weaving unspectacular tongue depressors could set off a chain reaction of sticks flying in the air? Try it out and see for yourself! Read more
Build a Marble Roller Coaster Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 25 reviews How much energy does a roller coaster need to go through a loop without getting stuck? Build your own marble roller coaster in this project and find out! Read more
Circus-Trick Science: How to Balance Anything Log in to add favorite More Menu
STEM Activity 1 2 3 4 5 6 reviews Have you ever wondered why it is harder to keep your balance with a heavy backpack on? Or why it is difficult to make a toddler's sippy cup tip over? Maybe you are the kind of person who wonders about circus balancing acts and would like to learn how to ride a bike on a rope. Or perhaps you want to know how to make your toy car less prone to toppling over when racing through a sharp curve. In this science activity, you will get to investigate balance using marshmallows, skewers, and… Read more
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