=====
Spring 2008  Astr 10L  Lab 03  
=====
"You kids today have it easy.  When I was a kid everything 
was HUGE.  My dad was nearly four times bigger than me. 
You couldn't even see the tops of counters...  Then 
gradually everything became smaller until it was the 
manageable size it is today."
--Dan Piraro, _Bizarro_



LAB 3: ANGULAR SIZE [*.pdf]
Current events quiz [10 min]
Study guide: [1], [2], [3]
SurveyMonkey.com pre-lab: M (3:00-6:00 PM), Tu, W, M (6:30-9:30 PM)
     (Due 12:00 PM on day of lab)
     
**ANNOUNCEMENT**
Dr. Len will substitute for Ms. Farahmand
Section 6544 Monday, 6:30-9:30 PM

Measuring techniques [*.gif]
Angular wheel of pain
Horizon illusion

In-class lab work (*.mov)
     Find and sit in your groups
     Work cooperatively as a group
     Fill out worksheets individually
     Finished?  Turn in worksheets as a group
     One worksheet is randomly selected for group grading
     
NEXT WEEK
Download and read Lab 4 worksheets ahead of time
Bring calculator to lab for credit
Read current events study guide (posted Sunday 12:00 AM)
Answer Surveymonkey.com pre-lab (posted Friday 12:00 AM)


"Hidalgo", Touchstone Pictures movie, 2004

Moon Illusion simulator (www.sandlotscience.com)

More angular size illusions: [1], [2], [3]

PROJECT 2: HORIZON ILLUSION [*.pdf]
You must construct a crossbow to make observations
Make night observations, individually or in groups
**WRITE UP YOUR RESULTS/CONCLUSIONS IN A LAB REPORT FORMAT**

     
Astr 10L students with home-made crossbows, Fall 2004 (represent!)