What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Learn about nature by making your own mini moss garden.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this project, you will observe and record changes in sunspots over two weeks.

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

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

How do organic materials become soil? This science experiment measures what materials biodegrade.