First Grade Science Activities and Experiments

Browse through our First Grade science activities & experiments. We have many First Grade science activities to keep your student learning on the fly, all year long. For more in depth science projects, take a look at the Science Fair Project Ideas section of the site.

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Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.
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Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!
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Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.
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Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.
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Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.
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Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!
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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!
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Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.
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Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.
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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!
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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.
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Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.
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First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.
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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!
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This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.
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Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!
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Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.
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Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!
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For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.
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Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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