This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea identifies trees using a dichotomous key.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea explores the egg's thin membrane.

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

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.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.