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This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Construct batteries that make electricity from fruits with this fun science fair project.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project will help students learn about non-vascular plants, such as mosses.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.