This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea explores substances that cause a bubble to last longer.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.