Instructional Video3:42
Science Buddies

DIY Mini Propeller Car

K - 5th
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
Instructional Video2:26
Science Buddies

Train Wheel Science

K - 5th
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...
Instructional Video2:31
Science Buddies

Build a Bird Feeder to Study Birds

K - 5th
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...
Instructional Video1:34
Science Buddies

Slippery Slopes and the Angle of Repose

K - 5th
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...
Instructional Video2:29
Science Buddies

Secret Messages With Invisible Ink!

K - 5th
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...
Instructional Video1:37
Science Buddies

Build a Water Strider

K - 5th
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...
Instructional Video0:51
Science Buddies

Stretchy Balloon Science

K - 5th
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,...
Instructional Video3:40
Science Buddies

Build a Pizza Box Solar Oven

K - 5th
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...
Instructional Video1:30
Science Buddies

Make an Alka-Seltzer Powered Lava Lamp

K - 5th
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...
Instructional Video1:30
Science Buddies

Homemade Slushies

K - 5th
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...
Instructional Video14:55
Science Buddies

How to Build a Paper Speaker

K - 5th
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
Instructional Video3:47
Science Buddies

Explore How We Breathe

K - 5th
Transform a few household objects into a model of the respiratory system, then, use it to explore how we breathe!
Instructional Video2:14
Science Buddies

Popsicle Stick Chain Reaction

K - 5th
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!
Instructional Video2:38
Science Buddies

Make Marbled Cards Using Science!

K - 5th
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...
Instructional Video1:06
Science Buddies

Dancing Candy Hearts

K - 5th
Have you ever opened a fresh bottle of carbonated water or soda, poured a glass of it, and just watched as the bubbles fizzed upward in the glass? Have you ever wondered what those bubbles are? They're made of carbon dioxide gas, which...
Instructional Video2:00
Science Buddies

Build an Archimedes Screw

K - 5th
The Archimedes screw is an ancient device used to lift water from one location to another. They are so useful that they are still in widespread use today! After a quick trip to the hardware store, you can build your own Archimedes screw...
Instructional Video2:14
Science Buddies

Build a Popsicle Stick Catapult

K - 5th
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...
Instructional Video1:37
Science Buddies

Make a Homemade Fly Trap

K - 5th
Have some pesky flies in your kitchen that you cannot seem to get rid of? In this project you will build your own simple fly trap from a plastic bottle. Get ready to get rid of those flies!
Instructional Video1:40
Science Buddies

Foaming Fake Snow

K - 5th
If you live where there is snow, it can be fun to play in it for a while—but it can get quite chilly! Or maybe you live in a place that does not get snow. In this fun activity, you can experience something similar to snow anytime,...
Instructional Video1:09
Science Buddies

Creating Craters

K - 5th
How did the Moon get its craters? What about the craters on Earth? Why do they look the way they do? Find out in this fun science activity, as you make your own craters by dropping balls into a tray of flour.
Instructional Video1:38
Science Buddies

Walking Water

K - 5th
Imagine this challenge: You have two glasses of water—one empty and one full. You want to pour half of the full glass into the empty one. The twist? You aren't allowed to pick up either glass! Can you get the water to "walk"...
Instructional Video8:03
Science Buddies

Wire Stripping Tutorial: How to Strip Insulation Off Hookup Wire

K - 5th
This tutorial describes several different techniques for removing insulation from "hookup wire," the type of wire commonly found in many circuits and electronics projects.
Instructional Video3:48
Science Buddies

Gingerbread House STEM Challenge

K - 5th
How easy or difficult is it to build a gingerbread house? It depends on what you want your house to look like. In this video, we will show you how to turn gingerbread house building into a fun STEM activity. You can even add a...
Instructional Video2:02
Science Buddies

Gear Up Your Candy

K - 5th
Did you know that gears are all around you? You can find them in wind-up toys, bicycles, carousels, cars and trucks, cranes, drills, wind turbines, analog watches, and so forth! If you've looked closely at a moving bicycle, you have seen...