Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Discover whether a metal will expand under hot water.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

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

Learn whether writing things down really makes things easier to remember.