Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.