Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

In this activity your child will create their very own marble maze!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Determine if gender affects the ability to identify different smells.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea investigates the difference in reaction times between boys and girls.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.