This project concerns activity happening millions of miles away, on the sun.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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!

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

This science fair project idea explores how water and ice can change the form of rocks.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

This science project investigates the influence of different genres of movies on appetite.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.