Second Grade Science Activities and Experiments

Browse through our Second Grade science activities & experiments. We have many Second 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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You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.
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This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.
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What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.
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Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.
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Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!
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Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.
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Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!
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The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!
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Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!
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Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?
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Make edible amber fossils with your second grader to explore the fascinating world of science!
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The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.
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Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.
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Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!
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Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.
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Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.
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Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.
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Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!
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Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.
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Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

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