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.

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.

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

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

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

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.

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

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

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

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

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.

Determine if gender affects the ability to identify different smells.

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

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

Nature is so generous to us all. How often do we reflect and thank nature? In this activity, children will engage with the classic story, The Giving Tree, and actively practice gratitude in nature for trees and all that trees do for us!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

Embrace the spooky and creepy thrills of Halloween night with a nightlight that will do more to frighten than soothe.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make a friendship bracelet with your child this Mother's Day or the next time they are looking for a fun project to do!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Do something totally unique and new with a pumpkin this year! Practice designing patterns with stripes, zigzags, or geometric shapes. The sky's the limit!

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

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!