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Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This science fair project idea demonstrates how our fingers prune when in water.

Slip some science into storm watching with a homemade rain gauge!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

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

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This science fair project determines the quality of a given product.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

This project examines whether more expensive golf balls translate into better results on the golf course.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Is your child a young ornithologist in the making?

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.