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Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This experiment will explore the possibility of creating an infinite object by hand.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Determine which metal has the highest rate of conductivity.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This science fair project idea determines what household items are good conductors of electricity.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Make these homemade shell fossils and introduce your child to the wonders of science!

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.