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.

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

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

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?

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

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

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

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.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

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.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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!

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

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.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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

This science fair project idea identifies clouds as a means of predicting the weather.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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