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This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The goal of this project is to create an exciting topographical map out of dough.

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.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

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

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

I scream, you scream, we all scream for homemade spearmint ice cream!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!