This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Determine how we can separate the components of a solution

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

This science fair project idea investigates whether plants can survive being frozen.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Free science fair project idea examining how different types of water affect plant germination and growth.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Science fair project that creates fog using bottles of hot and cold water.

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

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

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

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

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.