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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This science fair project idea determines what household items are good conductors of electricity.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.