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

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

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

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Determine which metal has the highest rate of conductivity.

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.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

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.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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?

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

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.