Determine whether a surface is level or plumb.

Determination include

• selecting tools to check surfaces
• using a level
• checking if a horizontal surface is level
• checking if a vertical surface is plumb
• reading a level and noting whether the bubble is off-center.

Process/Skill Questions:

• What is the difference between level and plumb?
• What are the different lengths of levels used?
• What are the possible consequences of failing to determine whether a surface is level or plumb?