Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Learn with makes water molecules work with this fun and easy science activity!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!