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Kindergarten Science Experiments (top 2,000 results)

Fun science experiments to explore everything from kitchen chemistry to DIY mini drones. Easy to set up and perfect for home or school. Browse the collection and see what you want to try first!
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Science Buddies' kindergarten science projects are the perfect way for kindergarten students to have fun exploring science, technology, engineering, and math (STEM). Our kindergarten projects are written and tested by scientists and are specifically created for use by students in kindergarten. Students can choose to follow the science experiment as written or put their own spin on the project.

For a personalized list of science projects, kindergarten students can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then uses their answers to recommend age-appropriate projects that fit their interests.

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Make Ice Cream in a Bag
STEM Activity
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1669 reviews
Have you ever made ice cream? It can be a lot of fun, and you end up with a tasty frozen treat! There is actually a lot of interesting chemistry that goes on behind making ice cream. For example, think about how you start out with refrigerated (or room-temperature) ingredients and then need to cool them down to turn them turn into ice cream. How do the ingredients change during this process? How important do you think it is that they are cooled to a certain temperature? In this science… Read more
Elephant Toothpaste
STEM Activity
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1898 reviews
Create a giant foaming reaction and wow your friends with this classic science demonstration! With just a few simple ingredients, you can make something that looks like toothpaste being squeezed from a tube—but so big, it must be for elephants! Read more
Build a Paper Roller Coaster
STEM Activity
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2489 reviews
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, and learn about roller coaster physics along the way! Read more
Build a Pizza Box Solar Oven
STEM Activity
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1513 reviews
Have you ever cooked something outside, like for a BBQ or while camping? It can be a lot of fun to be outdoors and enjoy eating the fruits — or burgers — of your cooking labors. Did you know that you can directly 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. In this science activity, you will build your very own simple solar oven out of a pizza box to gather the… Read more
Build a Paper Rocket
STEM Activity
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947 reviews
Blast off! Have you ever played with a model or toy rocket, or seen a real rocket launch on TV? In this project you will make simple rockets out of paper and launch them by blowing into a drinking straw. Can you make the rocket that flies the farthest? Read more
Build a Balloon Car
STEM Activity
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2068 reviews
Build a balloon-powered car from recycled materials in this fun activity. You can even grab a friend, build two cars, and race them against each other! Read more
Balloon-Powered Car Challenge
Science Fair Project Idea
Engineering Design Process
Do you think you could build a car powered by nothing but air? A balloon-powered car is pushed forward by air escaping from a balloon, and it is fun and easy to build with materials you already have around your house. Can you imagine how you would want your own balloon-powered car to look? Can you design a car that will travel as far as possible? You can even measure your car's speed using your smartphone and a special sensor app. Get ready to grab some simple supplies to bring your idea to… Read more
14 Paper STEM Activities
Blog Post
Looking for last-minute STEM ideas for the end of the year, for after testing, for a classroom warmup, or for a rainy day at home? Try one of these paper-based STEM activities! STEM Activities that Use Paper! Doing science and engineering activities doesn't have to require lots of materials. If you are looking for something to do with students in the classroom or with kids at home, an engaging STEM learning experience might be just a stack of… Read more
25+ Robotics Projects, Lessons, and Activities
Blog Post
Use these free STEM lessons and activities to introduce and experiment with robotics with students. From designing and building simple robots to thinking about how robots can be used to solve real-world problems, these hands-on projects help students gain and practice circuit-building and robotics engineering skills. The free STEM lessons, projects, and activities below help introduce students to robotics, robotics engineering, and the kinds of… Read more
Secret Messages With Invisible Ink!
STEM Activity
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618 reviews
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 treatment will it appear again magically, and the message can be read. How does this work? Find out in this activity and write your own secret messages! Read more
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