PHYS1010Q_Solar_Diameter(1).dotx - PHYS1010Q Name{type your...

Name: {type your name} Section: {select section}
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Materials
 (1) Sheet US letter paper (8.5 in
×
11 in)
 Safety pin
 (1) Sheet of cardboard (8.5 in
×
11 in)
 Clear tape
 (1) Piece of aluminum foil  Pencil
 Calculator  Ruler
Procedure
In this laboratory experiment, you will make a pinhole viewer and use it to measure the diameter
of the Sun. This procedure may take more than one day depending on the visibility of sunlight.
Please read the procedure through completely before starting the exercise so you can plan your
time accordingly. For Part 1 of the exercise, you will build your apparatus. In Part 2 of the
exercise, you will need to perform the procedure in a sunny area over the span of several hours
or possibly several days.
Part 1: Building the Pinhole Viewer
After you complete each item on the list, click the box next to it to mark it as complete.
1. Using the ruler and a pencil, trace a 2 cm x 2 cm square in the center of the cardboard
sheet.
2. Using a pair of scissors, cut the square out of the center of the cardboard.
3. Measure and cut a 5 cm x 5 cm square of the aluminum foil, and place the piece of foil
over the opening in the cardboard. Tape the foil in place at the edges.