Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

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

This science fair project idea examines whether boys and girls differ in reflexes.

Rhyming helps kids better understand word structure. This silly game transforms rhymes into a mystery bag guessing game.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Will the shape of an ice cube impact how fast the ice melts?

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Help your second grader understand compound words by doing this fast, goofy three legged race.

Silent "e" words are a big part of first grade phonics. Help them turn words like "hop" to "hope" in this action-packed, practical game.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Help your child get organized for the school year ahead and establish some important skills that will help him for years to come!

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Science fair project that determines whether moths are attracted to one color of light more than others.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.