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

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.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

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!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This surprisingly good glue recipe comes from common kitchen items.

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

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

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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.

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

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!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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