Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

This science fair project idea explores how length affects the weight a bridge can hold.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

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