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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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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
Help your child build a mini ecosystem with this fun activity, which will have your second grader learning about science while constructing a terrarium.
Second Grade
Life Science
Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!
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
Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?
Second Grade
Earth & Space Science
This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.
Second Grade
Life Science
Try this experiment to give your second grader a more 'solid' understanding of how temperature affects the states of matter.
Second Grade
Physical Science
Here's a hands-on experiment that will teach displacement and show how an object's shape affects its buoyancy, while playing with clay and water!
Second Grade
Physical Science
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.
Second Grade
Physical Science
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
Get those mad scientist goggles ready! This group of crazy concoctions will cover all the science basics, with style. Explore candy science, soap science and more... Suddenly science never looked so cool!
Second Grade
Physical Science
Where does power come from, and how can we use it efficiently? Your second grade scientist can explore one answer in this experiment.
Second Grade
Physical Science
Create natural dyes for coloring eggs.
Second Grade
Life Science
You don't need to wait for rain to see a rainbow. Make one in your own kitchen, and teach your child about light and weather in the process.
Second Grade
Nature Activities

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