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

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This basketball project explores the best way to make the perfect shot every time.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.