Mike Tuke’s
ANGLE MEASURER
www.earth-science-activities.co.uk
Making an angle measurer
This is easier to use than a protractor on its own.
Requirements
Protractor, wood 15cm by 2cm by 5mm,
Clear plastic strip 10cm by 2cm with a line drawn down the centre.
3 small round headed screws, 1 washer.
Instructions
Drill 3 holes in the bottom edge of the protractor one of which is in the centre. Use the
outer holes to screw the protractor to the wood. Screw the plastic strip to the protractor
and wood with the washer between the plastic and the protractor.
Earth Science Activities and Demonstrations
