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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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How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.
Fourth 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
This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.
Fourth 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
Try this chemistry experiment with your curious kid and get some 'shocking' results!
Fourth Grade
Physical Science
Yum! Science never tasted so good. Gear up for a new school year with edible science, brought to you by your home kitchen chemistry lab.
Fourth Grade
Physical Science
Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!
Fourth 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
Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!
Second Grade
Physical Science
Explore the chemistry of latex polymers with this outrageous, hilarious science activity.
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
Help your child plant a √Ętea garden': a garden made of herbs for making teas.
Fourth Grade
Nature Activities
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
Put your second grade scientist to work this Fourth of July with our colorful 'liquid fireworks' project!
Second Grade
Physical Science

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