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Science Buddies
Ping Pong Pickup Challenge | 2023 Science Buddies Engineering Challenge
Can you build a tool to retrieve a ping pong ball from as far away as possible, using nothing but paper, string, tape, and paper clips? Give it a try and enter your design in the 2023 Science Buddies Engineering Challenge for a chance to...
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How to Make Your Own Bath Bombs
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How to Make an Axle for a Balloon Car
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Arduino Soil Moisture Sensor
Science Buddies
Identify Road Signs with Google's Teachable Machine
Train a machine learning model to identify different road signs in this fun STEM activity! No computer programming is required - you will use a free online tool called Teachable Machine by Google. Written instructions are available on...
Science Buddies
The Impossible Arrow Illusion
The "impossible arrow" illusion by Prof. Kokichi Sugihara seems to break the laws of physics. The arrow always seems to point in one direction when you try to rotate it, but its reflection in a mirror points the other way! Learn about...
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How to Use BLAST for Finding and Aligning DNA or Protein Sequences
This video tutorial is an easy step-by-step guide for using the NCBI BLAST bioinformatics tool for your genomic research. We walk you through how to do a nucleotide or protein BLAST and give you tips for interpreting your BLAST results....
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How to Use the NCBI's Bioinformatics Tools and Databases
This video tutorial provides a quick overview of the NCBI website. We walk you through how to search for nucleotide and protein sequences using NCBI’s databases and explain what information is provided with each sequence. We also give...
Science Buddies
Squishy Circuits: Light Up Your Play Doh® Creations!
Do you like arts and crafts? How about making sculptures with Play Doh® or modeling clay? Imagine how cool it would be if you could add lights to your creations? That is exactly what you will get to do in this activity! Keep reading...
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How to Install a 9V Battery
This video shows how to install a 9 volt battery in the battery holder
Science Buddies
Why Won't it Mix? Discover the Brazil Nut Effect
Have you ever noticed that the dried fruits or nuts in your breakfast cereal are not evenly spread out inside the box, or that in a container of mixed nuts Brazil nuts gather at the top? This phenomenon is commonly called the "Brazil nut...
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Explore Reaction Kinetics With the Iodine Clock Reaction
Interested in the factors that influence chemical reaction rates? In this video, we will show you how to carry out a green chemistry version of the iodine clock, a chemical reaction that allows you to study several reaction rate factors....
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Model How Herd Immunity Works
Find out how immunizations can limit the spread of an infectious disease up to a point where the whole population is protected through herd immunity.
Science Buddies
How Strong Is Your Hair?
Have you ever wondered how strong hair is? When we talk about our hair we usually discuss color, length or texture. But what about hair strength? If you look at a strand of hair, it looks like a very thin string. In fact, it is on...
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...
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...
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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...
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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...
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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.