The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This simple experiment serves as an introduction to the greenhouse effect.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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 activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project idea measures physical dexterity as a function of temperature.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

This experiment will explore the best way to create a perfect soft-boiled egg.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Science fair project that cultivates slime mold and monitors the stages of its development.

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.