The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Use a dichotomous key to identify plants or animals.

Discover how and which salt melts ice the quickest.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

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

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

This project examines whether people's taste perception is influenced by what they see.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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!

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

This science fair project idea identifies trees using a dichotomous key.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Find out which type of sponge holds the most water.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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