When it comes to working kids' muscles, nothing beats an obstacle course! Here are some easy ideas for creating your own course at home.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Your child will create their very own traditional Indian Toran wall hanging using construction paper, yarn and paint.

Challenge your kid to use his knowledge about percentages in this fun game. Just roll the dice and race to calculate the percentage.

Help your teen make a custom, handmade hula hoop. It's sure to fit perfectly, and she can personalize it with colored tape to make it her own!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

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

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Heart-shaped crackers are a tasty and unexpected snack perfect for your young valentine. Combine the fun of crafting with food with these heart-shaped crackers.

Trying to find sums of groups of multiples is a great way to practice your addition. Be sure to double check your work. If you clear all of the cards, you win!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Make practicing addition facts more fun and teach your child the helpful strategy of adding quickly to 10 in this fun and easy-to-make card game!

In this fun art exercise, kids practice seeing multiple shapes and colors inside a water-filled glass and recreate them as a still life using colored paper.

This hybrid indoor/outdoor craft results in a pretty handmade piece of jewelry thatâs easy on the eyes and the wallet!

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Give Hallmark a run for its money with these handmade printed cards.

Have the kids make Mom a wooden "Love Box" for Mother's Day (or any other day!) to show her how much she means to everyone.

Show your child how to "recycle" by making a milk box toy car. Here's how to get started.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

This art activity encourages your child to create her own papier-mache apple sculpture to give to a special teacher.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Your child will need to combine his sporty hand-eye coordination skills with his math skills to become the bullseye king.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Here's a guide to help you design a challenging pool obstacle course for your elementary school children with ordinary pool toys and household objects.

Get your kids drinking more water by inspiring them to design their own personalized water bottle cozy.

This little chick is so cute that your child will want to make a whole flock to call her own.