In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Your preschooler wonât need a passport to go on this nature safari! All you need are paper, crayons and a nature trail or your back yard.

In this fun experiment, we'll find out how color affects heat absorption!

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Learn how different types of soil affect how animal tracks form in this experiment!

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Evaluate if people are more influenced by video or audio advertising.

Determine which material produces the strongest static charge.

Hunt for natureâs treasure, the many different products made by trees!

This science project investigates the influence of different genres of movies on appetite.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

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