Science Buddies
Puzzle Fun with a Perimeter Magic Triangle
Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher developed an exciting way to learn math and logic; he developed what is now known as the perimeter magic...
Science Buddies
Crayon Rock Cycle
This video shows how to model the rock cycle using crayons! Try it out and make colorful sedimentary, metamorphic, and igneous "rocks" using crayon shavings.
Science Buddies
Circular Reasoning: Finding Pi
Mathematicians look at the world around them in terms of numbers and formulas, and now, you can discover the formula for Pi too! In this science activity you will examine circular objects and see what you can discover about their sizes....
Science Buddies
Turn Milk Into Plastic
Have you ever heard that plastic can be made out of milk? There is no magic to it, just science! Don't believe it? Then do the activity shown in this video to see for yourself!
Science Buddies
Fruits Gone Bad? Discover Enzymatic Browning
Have you ever wondered why apple slices turn brown once you cut them or why a yellow banana gets dark spots over time? Both of these phenomena have the same cause: enzymatic browning triggered by an enzyme called polyphenol oxidase...
Science Buddies
Investigate Alien Genetics
Did you know that you share half of your genes with each of your biological parents? This is why you look similar to them and your siblings. In this activity you will model how traits are passed on from one generation to the next – using...
Science Buddies
Make 3D Printed Fabric
This video explains how to design and 3D print your own flexible fabric ! When we think of 3D printing, we usually think of solid, rigid parts, but with a few clever tricks you can also print flexible fabrics.
Science Buddies
What Are the Chances?
Have you ever heard anyone say the chance of something happening is "50-50"? What does that actually mean? This phrase has something to do with probability. Probability tells you how likely it is that an event will occur. This means that...
Science Buddies
How Empty Is an Empty Bottle?
Did you know that airplanes and sound have something in common? Can you guess what it might be? Air pressure! It is fascinating how air—something that is so fluid and invisible—can power an amazing number of fascinating phenomena. In...
Science Buddies
Shrink a Potato with Osmosis – STEM activity
Have you ever added a spoon of sugar to your tea and wondered why it disappeared? Where did it go? The sugar did not actually disappear—it changed from its solid form into a dissolved form in a process called chemical dissolution....
Science Buddies
Duplicate Your Drawings with a Machine
Have you ever wished you could copy a drawing but make it larger or smaller? If you've tried to create a larger or smaller copy of your work, you've probably realized that it is very hard to get the details right. A machine called a...
Science Buddies
Make a Model to Explore the Distance from the Planets to the Sun
Do you find it hard to imagine the vastness of the Solar System? This video shows how to use strings to make a scale model of the distances from the planets to the Sun and helps gain a better understanding of interplanetary distances....
Science Buddies
Wire Stripping Tutorial: How to Strip Insulation from Enamel-coated Wire
This tutorial describes several different methods for removing the enamel insulation from "magnet wire," which is commonly used to make solenoids and electromagnets.
Science Buddies
A Sweet Earthquake Shake on Landfill
Have you ever thought about what type of ground buildings are constructed on? Rock, gravel, sand, soil and many others—there are lots of different types of "ground." And this issue becomes especially important in areas that are likely to...
Science Buddies
Explore the Wet Sand Effect
Summer is the perfect time to take a stroll at the beach and walk barefoot along the shoreline. While doing that, have you ever looked at your footprints in the wet sand? If so, you might have noticed that with every step it looks like...
Science Buddies
Model Your Blood Flow
Why is it important to eat healthy and exercise? If you don't, you might end up with a cardiovascular disease. These diseases are conditions that affect your heart and blood vessels. The job of your cardiovascular system is to transport...
Science Buddies
Candy Rainbow
Here is a fun project you can try with leftover candy you have. You will make some amazing art using nothing but colored candy and hot water—and a little bit of science. Save some of your candy and get started!
Science Buddies
Make a Hygrometer to Measure Humidity
Does your hair go frizzy during "April showers," when the weather turns damp? Strands of hair can relax and lengthen when the humidity (or the amount of water vapor in the air) increases, and then contract again when the humidity...
Science Buddies
Measure Photosynthesis with Floating Leaves
Did you know that the oxygen you breathe is produced by plants during photosynthesis? This video shows how you can do an experiment called the floating leaf disk assay to see photosynthesis in action. Can you spot the oxygen bubbles...
Science Buddies
What Do Enzymes in Pineapple Juice Do to Milk?
Did you know that milk can be turned into cottage cheese with the help of enzymes? This video will show you what happens to milk when you mix it with pineapple juice. How do you think the milk will change?
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Harvest Water from Fog Science Project
Have you ever wondered how plants take up water from the soil? Water uptake in plants is quite complex and involves a process called osmosis. Osmosis makes the water from the soil move into the roots of the plant. But what drives the...
Science Buddies
How to Make a Homopolar Motor
What do you need to make a motor? Not much! In this quick activity, you will make a simple motor using nothing but a battery, magnet, and a piece of wire.
Science Buddies
Curl Metals With Heat!
Do you like gift wrapping? If you do, you have probably curled a ribbon with scissors before. Have you ever wondered why the ribbon curls when you run a scissor blade down one side of it? The answer is that when you apply pressure on the...
Science Buddies
Make Sprinkles Vibrate with Sound
You might know that sound is caused by vibrations, but did you know that sound can also make things vibrate? You might have noticed this if you have ever been at a concert or in a car with the stereo booming. Sometimes the sounds are so...