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Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

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!

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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:

Using a toy race car kids create a visual model of the Doppler Effect.

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

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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!

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

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!

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.