This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project examines how seeds hitchhike on animals and clothing.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity, your child will be challenged to make a tower using paper cups.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

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

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

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

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