Science Buddies
Make a Cotton Ball Launcher
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!
Science Buddies
Underwater Color Bursts
Summertime often brings beautiful fireworks displays. Whereas you normally look up into the sky to see fireworks, in this activity we will take the bursts of color underwater—with chemistry. Although it is not exactly the same as real...
Science Buddies
Shaping Hard-boiled Eggs
Have you ever played with your food, creating funny faces or colorful edible artworks? In this activity, you can do just that, but with results you might not expect! You will learn a fascinating way to cook and shape boiled eggs, and...
Science Buddies
Rain Garden Science Experiment
Can rain gardens filter out pollution and soak up excess rainwater? In this video, you will learn how to make a miniature rain garden, mimic runoff, and test the efficiency of rain gardens.
Science Buddies
Make a Night-Light
Are you ready to move beyond paper circuits and squishy circuits? This is a great intermediate circuit project where you will build your own working night-light. And of course, you will have some fun decorating it!
Science Buddies
How Much Weight Can Boats Float?
Have you ever wondered how a ship made of steel can float? And better yet, how can a steel ship can carry a heavy load without sinking? To find out, you can make fun aluminum foil boats and explore how much weight they can carry before...
Science Buddies
Why Aren't All Medicines Pills?
No one likes shots, so why don't we swallow all our medications? This video will show how you can use a model to explore one challenge behind making medications we can quickly swallow, using insulin (a medication taken by some diabetes...
Science Buddies
Make a Lemon Volcano
Make a colorful erupting volcano in your kitchen with lemons and baking soda!
Science Buddies
How to Make Slime
It's gooey. It's sticky. It's slime! Learn to make your own homemade slime with this quick and easy recipe.
Science Buddies
Make an Ion Wind Rotor
This video shows how to build an ion wind rotor with a Van de Graaff generator. This is a good demonstration to show the working principles of an ion thruster.
Science Buddies
DIY Mini Propeller Car
Explore circuits by building your own mini propeller car in this fun STEM activity! A materials list and written instructions are available on the Science Buddies website:...
Science Buddies
Train Wheel Science
Have you ever watched a train roll by? If so, you might have wondered how the train is able to stay on its tracks. The secret lies in the train's wheels. Although they seem cylindrical at first glance, when looking more closely you will...
Science Buddies
Build a Bird Feeder to Study Birds
Did you know that there are about 10,000 different types of birds in the world? You don't have to go far to see some of them. Birds live outside in backyards and parks and can even be found in a busy city! Do you know what kinds of birds...
Science Buddies
Slippery Slopes and the Angle of Repose
Have you ever seen an avalanche or landslide roll down a hill? Why is it that at one moment, everything seems fine, then suddenly the mountain begins to slump? It has something to do with how the earth or snow is piled up on the...
Science Buddies
Secret Messages With Invisible Ink!
Have you ever wanted to send your friend a secret message that no-one else can read? Then you might know of invisible ink—a special type of ink that you can use for writing and that does not show up on paper. Only after a special...
Science Buddies
Build a Water Strider
Have you ever seen a water strider (also called water bugs, pond skaters, water skippers etc.)? They are bugs that effortlessly hop around on the surface of ponds, lakes, and rivers. How do they do it without sinking? Try this project to...
Science Buddies
Stretchy Balloon Science
Balloons are fun and come in a variety of sizes, colors, and forms that makes them well suited for decorations, water play, modeling, and other creative activities. But balloons also have uses outside of recreation; weather balloons,...
Science Buddies
Build a Pizza Box Solar Oven
Did you know that you can use solar power to cook food? This can be done using a solar oven, which is a low-cost, ecologically-friendly technology that seems to have everything going for it. This video will show you how to build your...
Science Buddies
Make an Alka-Seltzer Powered Lava Lamp
Have you ever seen a lava lamp? They were the height of 1960's "groovy" room decorations. A few minutes after turning it on, a lava lamp has blobs of colored liquid floating towards the top of the lamp and then drifting back down. Making...
Science Buddies
Homemade Slushies
Do you enjoy ice-cold drinks? A slushy is about as close as you can get to liquid ice: colder than water, but more drinkable than ice! Using some common household items, a little bit of patience, and the help of science, you can make...
Science Buddies
How to Build a Paper Speaker
This video has instructions on how to make a paper speaker using a simple electromagnet. A printable template for the speaker can be download from the Science Buddies website:...
Science Buddies
Explore How We Breathe
Transform a few household objects into a model of the respiratory system, then, use it to explore how we breathe!
Science Buddies
Popsicle Stick Chain Reaction
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!
Science Buddies
Make Marbled Cards Using Science!
Do you like both, arts and science? Then this is the perfect activity for you! You will create beautiful marbled paper cards and practice science at the same time! The only materials you need are shaving cream, food coloring, and sheets...