Use pepper and soap to discover some fun facts about the properties of water.

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?

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science research project challenges students to think of more effective lobster farming methods.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea investigates how color affects temperature.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.