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!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea examines which type of insulation holds in the most heat.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project idea determines the most effective method of preserving food.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.