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In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Here's a way to make history both interesting and relevant: design a garden using plants that were used by people in colonial times!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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!

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

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!

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

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