This project determines what category of person is most likely to be ticklish.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea determines the most effective method of preserving food.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This science fair project teaches students about wilting and browning of salad greens.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.