The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea examines the reason boats are shaped and engineered.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea explores whether white light can be separated into different colors.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this science fair project, students use the streak test to tell minerals apart from each other.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.