Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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