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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This experiment will investigate whether reward or punishment is more apt to motivate people.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!