This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

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!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Help your child make a beautiful homemade sandcastle that will last!

Plants and light seem to be good buddies, but how far does the friendship really go?

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!