Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

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.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

This science fair project outlines the uses of gold and explores the monetary value of gold.

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!