Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

In this project children practice the scientific method while playing with puffy paint.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea discovers the average time it takes for a person to remember something completely.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Find out whether matte or shiny nail polish lasts longer.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Science fair project that explores the natural process of limestone formation.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.