This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project will help students learn about non-vascular plants, such as mosses.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

In this science fair project, students use the streak test to tell minerals apart from each other.

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

In this project students experiment with making music using only glasses of water.

Do different types of oil mix or stack? Find out in this science fair project idea!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This project examines whether people's taste perception is influenced by what they see.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

In this fun experiment, we'll find out how color affects heat absorption!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.