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!

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

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 fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This project compares different liquids and the freezing, melting and boiling points of liquids.

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

This project examines the concentration of dissolved oxygen in water, with and without oil.

Help your child practice her counting as she makes this fun and festive holiday decoration!

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This project explores what happens to a rubber band when it is heated and cooled.

Explore the wattage of microwaves in relevance to cooking time.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

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