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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this activity your child will create their very own marble maze!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

This science fair project idea explores how length affects the weight a bridge can hold.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project teaches students about wilting and browning of salad greens.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!