Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

This science fair project idea determines what household items are good conductors of electricity.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea investigates whether plants can survive being frozen.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.