Instructional Video3:54
Science Buddies

Make A Candy DNA Model

K - 5th
Have you ever wondered what DNA looks like up close? DNA contains the genetic instructions for how an organism develops and functions. It stores all this information in its unique double helix structure.This video will show how you can...
Instructional Video1:03
Science Buddies

Colorful Patterns in Melting Ice

K - 5th
Have you ever wondered why ice cubes in your cold drink become gradually smaller, or why their surface becomes smoother as they melt? Does ice always melt this way? In this activity, you will use water balloons to create giant ice balls...
Instructional Video4:08
Science Buddies

Explore Enzyme Activitiy with Toothpicks

K - 5th
Do you know what enzymes are? Enzymes are like little machines that help carry out and speed up chemical reactions. In our body, for example, enzymes help break down the food we eat. This video shows how you can use a toothpick model to...
Instructional Video2:29
Science Buddies

Make a Straw Siphon

K - 5th
What is an easy way to move liquid from one place to another? A siphon! With just a little effort to get it started, you can then sit back and watch liquid flow from one container to another, as it seemingly defies gravity by going...
Instructional Video2:10
Science Buddies

Build a Paper Roller Coaster

K - 5th
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,...
Instructional Video3:14
Science Buddies

Race Through Space with Gravity Assist Maneuvers

K - 5th
Explore interplanetary space travel with an experiment! The gravity assist or "slingshot" maneuver is often used by engineers to send spacecraft to the outer planets. This video presents a model to simulate a planetary flyby using...
Instructional Video17:23
Science Buddies

How to Use a Multimeter

K - 5th
This video will show you how to use a multimeter to measure voltage, current, resistance, and continuity. This is a beginner's guide aimed at students and electronics hobbyists who need to make basic measurements using an entry-level...
Instructional Video1:13
Science Buddies

Build a Paper Airplane Launcher

K - 5th
Here's a challenge: Try throwing a paper airplane by moving just your wrist (don't move your elbow or shoulder). It's hard, isn't it? How could you get a paper airplane to fly far if you can use only a short distance to launch it? Try...
Instructional Video2:14
Science Buddies

Balance the Forces Within a Mobile

K - 5th
Have you ever seen a mobile? Not a mobile phone, but a hanging art sculpture. You might have had such a mobile in your room when you were little. These mobiles hang from the ceiling and are usually made up of many layers of rods to which...
Instructional Video2:37
Science Buddies

Hydroponics Made Easy

K - 5th
Do you think plants can grow without soil? If you've tried growing veggies, you probably planted the seeds or seedlings in soil. Soil gives the plants the nutrients they need to grow. However, plants can grow without soil too, using a...
Instructional Video2:55
Science Buddies

How Does an Electromagnet Work?

K - 5th
You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if...
Instructional Video6:21
Science Buddies

Magnetism & Electromagnetism Tutorial

K - 5th
This video provides an introduction to basic concepts in magnetism, including magnetic poles, magnetic fields, and electromagnets.
Instructional Video1:23
Science Buddies

How Well Do You Wash Your Hands?

K - 5th
How well do you wash your hands? Do you just give them a quick rinse with water, or do you use soap? Do you wash the backs of your hands and in between your fingers? Good hand washing is one of the best ways to prevent the spread of...
Instructional Video2:03
Science Buddies

Make a Minature Water Cycle Model

K - 5th
Have you ever wondered where rain comes from and what clouds are made of? You can find the answers to these questions by making a miniature water cycle model in a plastic bag. Follow the instructions in the video and see how you can make...
Instructional Video5:46
Science Buddies

How to Make Paper Circuits

K - 5th
Would you like to include LED lights in a painting or greeting card? This video will show you how. Paper circuits are made with just a few simple items; you can use a battery and some copper tape to add tiny lights to your project. The...
Instructional Video3:51
Science Buddies

How to Build a Rube Goldberg Machine

K - 5th
Rube Goldberg machines—machines that complete a simple task in a convoluted way—are intriguing, artistic, and fun! If you ever wanted to make one, this video will show you how the concept of kinetic energy can help you design and build a...
Instructional Video7:33
Science Buddies

Which should you choose? Scientific Method versus Engineering Design Process

K - 5th
When should you use the Scientific Method? Would the Engineering Design Process be a better choice? If you aren’t sure then this video can help! We compare both methods step-by-step using a real-world example.
Instructional Video8:13
Science Buddies

The Engineering Design Process: An Eggstronaut Mission

K - 5th
How do engineers solve problems? They use the engineering design process to create the best possible solution. In this video, we will show you how to do it step-by-step as we prepare to send our eggstronaut on an interplanetary mission.
Instructional Video3:04
Science Buddies

Build A Wall Marble Run

K - 5th
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...
Instructional Video2:28
Science Buddies

How Do We Breathe?

K - 5th
We breathe a lot, roughly 12 to 16 times a minute for adults and even more for children! Have you ever wondered how the process of breathing works so smoothly? Our lungs allow us to inhale the oxygen our body needs, but they do much,...
Instructional Video1:57
Science Buddies

A Candle Seesaw Balancing Act

K - 5th
Do you love playing on a seesaw? Why is it that depending on where you sit on the beam, and the weight of the person on the other side, you either fly up into the air or fall down to the ground? And why is it so difficult to perfectly...
Instructional Video2:05
Science Buddies

Build the Best Bridge

K - 5th
Bridges come in all shapes, sizes, and materials. What makes a bridge the strongest? Find out in this fun activity as you build simple bridges with paper and test to see how much weight they can hold.
Instructional Video2:07
Science Buddies

Make a Candle Flame Jump

K - 5th
There are many occasions to light candles. When you did, have you ever looked closely at the flame? Which part of the candle is actually burning? Can you tell? Is it the wick, the solid wax, the liquid wax or something else? In this...
Instructional Video1:46
Science Buddies

Make a Parachute

K - 5th
Have you ever wondered what a parachute and an open rain jacket have in common? They both trap air and slow you down when you move fast! In this activity, you design a parachute for a miniature action figure. Tissue paper or a plastic...