What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how: