The experimental type - investigates a scientific issue by asking a question, testing a hypothesis, performing an experiment and drawing conclusions from it - what we call the scientific method.
The experimental type is the most common (but not always the best choice).
For example:
- The effect of exercise on blood pressure
- Which bleach works the best?
- Light effects on seed germination
- The effect of the amount of storage space and RAM on the speed of a computer
http://www.selah.k12.wa.us/SOAR/SciProj2002/KiereaM.html
http://www.virtualsciencefair.org/2004/walk4d0/public_html
The descriptive type - demonstrates a scientific principle/phenomenon; describes or snapshots an existing situation.
For example:
- What is genetic engineering?
- Investigate and describe the process of fermenting wine.
- Describe different computer security methods.
- What are the major energy sources of the State of California?
http://www.virtualsciencefair.org/2004/mcgo4s0/public_html
http://www.virtualsciencefair.org/2004/schu4s0/public_html
The building type - the building of a scientific/technological device or machine.
For example:
- Build a simple crystal radio set.
- Build and investigate a Geiger counter.
- Develop a browser programmed with Visual Basic.
- Build a real working hovercraft.
http://www.simplemotor.com
http://www.virtualsciencefair.org/2004/stag4m0/public_html
