This project determines what category of person is most likely to be ticklish.

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

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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.