GLOBE Assessment
Grade 5-8

Literacy Activity for Protocol Test

Write a paragraph that describes the similarities and differences between a clinometer and a sundial.

Clinometer Protocol Test

The Clinometer protocol test assesses students' ability to construct and use a clinometer.

Download a Word or pdf copy.

students--> Student activity & Level of Performance + appropriate student performance - inappropriate student performance n.a. not appropriate or not observed

Collect: clinometer sheet table of tangents cardboard drinking straw metal nut/washer 15 cm of thread/floss glue, scissors hole-punch, tape

Construct Clinometer

Attach clinometer to one side and table of tangents to other side of cardboard

Punch hole at marked circle; tie 15 cm. string (attached to metal nut/washer) through hole

Tape straw along designated line to use as a sight

Using the Clinometer

Stand on level ground with object being measured

Measure & record height of eyes from the ground

Sight top of object through clinometer straw

Partner records – BVW (string + washer)

Measure & record distance from observer to object

Calculate & record height of object: Tree height = (TAN – BVW x distance to object) + eye height