Find out which type of sponge holds the most water.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Think about the adaptive utility of an important aspect of our physiology.

Explore the belief in astrology as a predictive system.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

This science fair project examines the different composition of fungi and plants.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This project compares the strength of one, two, and three-ply toilet paper.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Discover how and which salt melts ice the quickest.