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.

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.

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!

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

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!

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.

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

Help your child craft a magnetic menorah that they can safely "light" themselves!

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!

Make unique jewelry and accessories using photos and shrinkable plastic sheets! It's like Shrinky Dinks, but better.

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

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 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!