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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.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

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.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Check out this cool science fair project on identifying rocks and minerals for kids.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Construct batteries that make electricity from fruits with this fun science fair project.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!