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First Grade and Fourth Grade Science Activities and Experiments

Science activities help little learners of all ages understand important concepts, and these science activities for kids give them the opportunity to discover something completely new. What's more, science activities are fun! Some, like Oobleck, are messy. Others are impressive, like the classic erupting volcano project. Whatever activity you end up trying, your child will be developing new skills as he forms predictions and makes observations. No matter where your child's interests may lie, we have a science experiment that will teach him something cool and make him smile.

For more in-depth experiments and investigations, check out our Science Fair Project Ideas section of the site.

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Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.
First Grade
Nature Activities
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.
Fourth Grade
Physical Science
Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.
Fourth Grade
Physical Science
Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.
Fourth Grade
Physical Science
Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.
First Grade
Life Science
Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.
First Grade
Physical Science
Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!
First Grade
Physical Science
In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!
First Grade
Nature Activities
What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to 'fudge' it when interpreting what you see.
Fourth Grade
Life Science
How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.
Fourth Grade
Earth & Space Science
Is your child a rocket scientist in the making? Here's a fun activity that illustrates the basic principles behind what makes rockets rock!
Fourth Grade
Physical Science
How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!
First Grade
Physical Science
This simple 'how to make a water wheel' activity makes physics come alive for your child by demonstrating how different kinds of energy work.
Fourth Grade
Physical Science

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