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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 fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

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.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

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.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!