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In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Transform your uncomfortable wooden shoes into charming mini planters!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Help your child make a beautiful homemade sandcastle that will last!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Construct and experiment with a periscope using reflected light rays to gather an image.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea explores whether talking to a plant will help it grow.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.