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This project compares the strength of one, two, and three-ply toilet paper.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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 design challenge, your child will create a parachute for a small toy using typical household items.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Find out whether a longer airplane will fly farther or a wider paper airplane.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.