Fourth Grade Science Activities and Experiments

Our 4th grade science activities and experiments include enlightening physics demonstrations, cool electricity projects, fun food experiments, and more. For more in depth science projects, take a look at the Science Fair Project Ideas section of the site.

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Fourth Grade
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Your child will be hooked on chemistry after she builds a model volcano by combining an acid and an alkaline substance.
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A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.
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An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.
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This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.
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Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.
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This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!
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Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.
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Try this chemistry experiment with your curious kid and get some "shocking" results!
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Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!
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Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.
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Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!
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Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.
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How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.
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This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.
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Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.
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This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.
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Explore the chemistry of latex polymers with this outrageous, hilarious science activity.
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Teach your child how butter is created by shaking up cream the old-fashioned way.
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Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.
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How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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