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

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

This science fair project teaches students the differences between fruits and vegetables.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This science fair project what causes a soda eruption and what kinds of candy create this effect?

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This experiment investigates whether there are certain sounds that affect men and women differently

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This project examines whether humans can intuitively grasp numeric values greater than three.

This science project allows students to study the psychology of happiness.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This experiment investigates whether smell can be used to enhance test subjects' memories.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!