This science fair experiment idea's objective is to understand the general concept of an acid and a base.

In this science fair project, students create their own miniature salt flats at home.

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

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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.

This basketball project explores the best way to make the perfect shot every time.

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

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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 explores alcoholic fermentation at work by making your own soda.

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea determines if family members can recognize one another using only the sense of smell.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

In this design challenge, your child will make a bottle rocket using typical household items.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Construct batteries that make electricity from fruits with this fun science fair project.