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Second 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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Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!
Second Grade
Life Science
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!
Fourth Grade
Physical Science
Help your child plant a âtea garden': a garden made of herbs for making teas.
Fourth Grade
Nature Activities
Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.
Fourth Grade
Life Science
Explore the chemistry of latex polymers with this outrageous, hilarious science activity.
Fourth Grade
Physical Science
Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!
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
Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.
Fourth Grade
Earth & Space Science
Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!
Second Grade
Physical Science
Try this experiment to give your curious kid a more 'solid' understanding of how temperature affects the states of matter.
Second Grade
Physical Science
Add some fun to arts and crafts by having your child make a self portrait using nature as her palette.
Second Grade
Nature Activities
Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.
Second Grade
Life 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
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!
Second Grade
Physical Science

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