Kindergarten, Physics Projects, Lessons, Activities (33 results)

Physics is the study of matter — what is it made of? How does it behave? What laws or equations describe it? From subatomic particles, to the Big Bang, modern physicists study matter at a tremendous range of scales. There's a whole lot of interesting physics at the human scale, too.

https://www.youtube.com/watch?v=4IGfeP0MkmU

Build a Popsicle Stick Catapult

STEM Activity

802 reviews

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 ago! These simple machines are quite handy, as long as you know how to aim them! In this science activity you will try your hand at catapult technology. Can you predict where your cotton ball will land? Read more

Build a Telescope

STEM Activity

148 reviews

Build your own telescope that you can use to see far-off objects in this fun STEM activity! The type of telescope you will build in this activity is also called a monocular or a spyglass. Read more

Make a Cotton Ball Launcher

STEM Activity

476 reviews

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! Read more

Walking Water

STEM Activity

217 reviews

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" between the glasses using nothing but a paper towel? Try this activity to find out! Read more

Build A Wall Marble Run

STEM Activity

139 reviews

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 the end of the track? Read more

Build a Water Strider

STEM Activity

54 reviews

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 find out! Read more

Make a Rubber Band Guitar

STEM Activity

165 reviews

Did you know that the modern guitar is an instrument that dates back over 4,000 years? The first guitar music was published in 1546, during a time when guitars still had strings made from animal intestines! While guitars have a long history, they are still extremely popular in modern day music. Have you ever wondered how they make the music you listen to everyday? In this activity we're going to make our own guitars, and experiment with the different sounds we can create. Read more

Make a Straw Siphon

STEM Activity

62 reviews

What's 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 uphill. Try this activity to make your own simple siphon using straws. Read more

2026 Ball Run Challenge for Grades K-5

Lesson Plan Grade: Kindergarten-5th

7 reviews

Add a twist to a classic activity with this fun lesson plan. Your students will design and build a ball run for a ping pong ball using nothing but paper and tape. Their goal is to make the slowest ball run possible. How long can they make it take for the ball to go through their ball run? An optional variation is available if you would like to give students an extra challenge. The 2026 Engineering Challenge has ended. You can still do this challenge with students informally. Read more

NGSS Performance Expectations:

3-5-ETS1-2. Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.

Build a Marble Roller Coaster

STEM Activity

64 reviews

How much energy does a roller coaster need to go through a loop without getting stuck? Build your own marble roller coaster in this project and find out! Read more

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