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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.