Challenge your third grader and a few friends to teamwork and laughs with these boisterous indoor Christmas games.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Make a poster with your child about what she wants to be when she grows up, while helping her practice her writing, researching, and artistic skills.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Do different types of oil mix or stack? Find out in this science fair project idea!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This science fair project teaches students about wilting and browning of salad greens.

In this experiment we will be determining whether birds prefer certain colors of seed.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Do you think heat can affect a plant's growth rate?

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

Determine if gender affects the ability to identify different smells.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this activity, your child will interview a caring adult or friend to ask them when they have seen them at their best.