Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

In this project students experiment with making music using only glasses of water.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How powerful is the reaction between baking soda and vinegar? Find out here!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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 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.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

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!

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea explores substances that cause a bubble to last longer.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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