This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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