This science project teaches students to classify different shapes of leaves.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Give your budding young observers a chance to discover simple machines at use in their own home.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Making your own glass cleaner is easy, effective and inexpensive!

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.