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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Making your own glass cleaner is easy, effective and inexpensive!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

This science fair project idea explores whether talking to a plant will help it grow.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This surprisingly good glue recipe comes from common kitchen items.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

How powerful is the reaction between baking soda and vinegar? Find out here!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.