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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this science fair project, students make their own rain gauge to measure rainfall.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Find out whether putting something on top of a plant will inhibit its growth.

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.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

The goal of this project is to create an exciting topographical map out of dough.

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 idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Learn all about balance and motion as your child designs a corn maze!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.