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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.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This biodiversity project examines the biodiversity in your own backyard.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates if fats add to the flavor of food.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Have your child kick off their summer vacation by making a miniature water slide!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

The objective of this science project is to determine the length of time for different seeds to germinate.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Start your toy engines -- this is going to be a fast and friction-filled race!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.