Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

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

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

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

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

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 looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

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!

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.