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Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

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

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!

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

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.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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

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.

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

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

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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.

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 whether music affects the growth and health of plants.

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

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.