Learning Objectives:
1. Understand and rationalise the generic scientific methodology used in scientific investigation.

Questions:
You should watch the YouTube video in order to answer these questions adequately.
Also, download the following Glossary of Terms which will assist with this and other parts of the course.

Assume you are planning a scientific investigation around pH measurement to find the correct pH at which to dye wool and answer the following questions:
1. Give 3 control variables for this investigation.
2. You would need to try several different pH values: which variable is this?
3. How many times would you repeat the investigation and why?
4. What would your results look like if they were precise?
5. What would your results look like if they were accurate?