In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea demonstrates that plants give off water.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea explores the different properties & interactions of sugar molecules.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea determines the most effective method of preserving food.

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.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.