Test whether plants can grow without sunlight and water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Use pepper and soap to discover some fun facts about the properties of water.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

I scream, you scream, we all scream for homemade spearmint ice cream!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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!