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!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

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

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

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea explores whether talking to a plant will help it grow.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!