Pinhole Projector Project

VIEWING THE SUN SAFELY

Johann Zahn, camera obscura

Web Sites:

1.     http://www.exploratorium.edu/eclipse/how.html

2.     http://www.spaceweather.com/sunspots/doityourself.html

3.     http://www.ontariosciencecentre.ca/scizone/brainz/taylor/sun.asp

4.     http://www.transitofvenus.org/safety.htm

5.     http://www.transitofvenus.org/safety.htm

6.     http://www.hartrao.ac.za/other/eclipse2002/pinhole.html

7.     http://www.sciencedaily.com/videos/2006/0908-spotting_sun_spots.htm

8.     http://sunearth.gsfc.nasa.gov/sunearthday/2004/vt_viewing_pinhole_2004.htm

 

Instructions for Pinhole Projector Project:

1.     Research what a pinhole projector is and how it is used by reading about it in your lab book, on page 87, and by looking at the above web sites.

2.     Choose whether to design a new type of pinhole projector or make one already designed by someone else.

3.     Illustrate your pinhole projector as a blueprint using metric measurements and step by step sketches of your design.

4.     Construct your pinhole projector.

5.     Write directions for appropriately using your pinhole projector.

6.     Demonstrate how to use your pinhole projector.

 

Rubric for Project:

 

Poor - 20

Fair - 30

Good - 40

Excellent - 50

Design (10 pts)

Copied another’s design but not copied well. Messy too.

Copied a design from someone else but did it exactly. Clean.

Design done by someone else with a little twist to it to make it almost an original design. Attractive and clean in design.

Original design not copied from anyone else. Colorful and clean in design. Attractive to the consumer.

Construction (10 pts)

Three or more flaws in construction and must be handled carefully to not fall apart.

Two flaws in the construction. Holds together fine.

Almost with flaws with no tape or glue showing but joints not precise. Holds together.

Flawless. No unnecessary glue or tape showing. Holds together perfectly.

Blueprint  (10 pts)

Not able to understand how to construct the product from the blue prints.

Missing two elements for a flawless blue print.

Missing one element for a flawless blue print, but basically accurate.

Straight lines, accurate measurements, appropriate labels, clear sketches or photos of product. Flawless.

Instructions (10 pts)

Does not know how it works.

Almost understandable but needing assistance to work the product.

Understandable but needing one clarification to operate the product.

Understandable. Step by step instructions. No grammar and punctuation errors. No missing words.

Demonstration (5 pts)

Demonstration too quick and short to see handling of product.

Not totally clear on how to work the product and needs to be repeated for clarity.

Almost perfect with one or two questions concerning how to work the product.

Step by step demonstration shows easily how to use the product. Presentation for all people to see easily.

Implementation (5 pts)

Not working or working after many attempts. Not user friendly.

Need several tries to work the product. Not user friendly.

Works on the second try but is still user friendly.

Works on the first try. User friendly.