The flashpoint of a liquid means the temperature:
- at which a liquid will give off flamable vapors
- at which a liquid will burn steadily
- at which a liquid will explode
- that a liquid must reach before it will flow readily
I Couldn't find anything about flash point in the reading.
This information is covered in the online videos contained in the online program. Once you watch the video the proper answer will become much clearer.
When taking the online course it is important to always start a lesson by first reading the Lesson Plan. Here you will be given guidance on any additional teaching resources used during this lesson.
Remember the workbooks are only intended to supplement the online learning... They are not intended to be used as the primary learning tool.