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This project examines various algorithms to determine the ideal algorithm for a strategy game.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Demonstrate which cooking method gets rid of the most fat.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

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

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Free science fair project idea examining how different types of water affect plant germination and growth.