Fourth Grade Science Experiments (Page 181)

Absorb the Shock!

STEM Activity

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Have you ever ridden in a car over a pothole or a speed bump? You might feel the bumps and get tossed up and down in your seat a little bit, but not nearly as much as you would if the car did not have a suspension. Try this engineering project to learn how a suspension helps give you a smoother ride! Read more

Adding Art: Doing Fun Science at Home during School Closures (Activity #6)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure...food dye, shaving cream, and a bit of cool science transform paper into beautiful marbled art. Artists are Scientists, Too My kids love art. Drawing, painting, clay — all these things bring them joy. On the other hand, while I… Read more

Aerodynamics and Hockey: Does the Force of Drag Have an Effect on the Distance the Puck Will Travel?

Science Fair Project Idea

Scientific Method

Think of a way to launch the puck with a reproducible force, and examine the effect of launching the puck in different orientations on the distance it travels. For more information on the physics, see Haché, 2002. Read more

Altitude and Weather

Science Fair Project Idea

Scientific Method

As you move up or down in altitude or elevation, the temperature and pressure will change. This is particularly striking if you live near a mountain range. During the summer, at low altitudes you may have temperatures in the 80's or 90's and still be able to see snow on mountain peaks at high altitude. You can test the effect of altitude by comparing temperature data from weather stations at high and low altitudes. You can test the effect of elevation by making your own weather balloon and… Read more

Aluminum Foil Boats: Doing Fun Science at Home during School Closures (Activity #29)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure... building, floating, and sinking aluminum foil boats. Sinking and Floating Science We used to have an army of rubber duckies and other bath toys. Sometimes it felt like the toys took up more of the tub than the kids did! Those days… Read more

Amazing Art Science (Awesome Summer Science Experiments)

Blog Post

Check in each week at Science Buddies this summer for our Awesome Summer Science Experiments series! Each week, we'll highlight a few activities for awesome science and engineering kids can do at home. We've got a whole summer of fun STEM themes lined up for kids of all ages — for free. This week: amazing art science experiments and creative activities for artists, makers, storytellers, and innovators! Awesome Science Experiments for Artists Are… Read more

An Infinite Number of Reflections? Really?

STEM Activity

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Can you imagine a bouncy ball bouncing back and forth between two walls, infinitely? Wouldn’t that be amazing? What if, instead of a ball, light was bouncing between two mirror walls; would it bounce back and forth forever? Imagine each light bounce added one reflection of you in the mirror; would it look like there were an infinite number of “you’s” in there? Can we create an infinite number of reflections? Try this activity and be amazed by the many… Read more

Answering Kids' COVID-19 Questions: Doing Fun Science at Home during School Closures (Activity #12)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure... answering COVID-19 questions by building models of viruses and understanding how soap can help kill coronavirus. Activities to Address Kids' Questions About COVID-19 Do your children have questions about this coronavirus or the… Read more

Antlion Pits in Open Sand or Under Leaf Cover

Science Fair Project Idea

Scientific Method

Antlion larvae are known for their predatory ways. In sandy areas, they dig pits to trap ants or other crawling insects that happen to stumble in. This project shows you how to create a mini-environment for antlion larvae to test their preferences for pit-building sites. Read more

Are Laminates Stronger?

Science Fair Project Idea

Scientific Method

If you love to hit the half pipe with your snowboard or skateboard, then you have tested the strength and durability of laminates. Laminates are sandwiches of different materials that are glued together in layers to give strength and flexibility to an object. In this experiment, you can test if laminating wood can make it stronger and able to support a heavier load. How much weight can it take before it breaks? Read more

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