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.

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.

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.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

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

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

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.

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

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

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

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!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

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.

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

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

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

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

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Practice conversions within the metric system in this fun math card game for third graders.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.