Jumat, 01 Juli 2011

EXAMPLE OF STUDENT WORKSHEET 5


STUDENT WORKSHEET

A.     TOPIC
Blind Spot in Eyesight Sense

B.     LEARNING OBJECTIVES
Students are able to understand the existence of blind spot in eyesight sense

C.     INSTRUMENT
1.       Paper
2.       Ruler
3.       Pencil

D.     METHOD
1.    Write +  and – sign in one paper (distance about 5 cm)
2.    Hold on the paper that have + and – sign with right hand and the position of  + and – sign in front of your right eye
3.    Close your left eye
4.    Sentralize your eye view to + sign, although still can see – sign
5.    Move your right hand go to right eye slowly until – sign disappear. Then, measure distance between right eye and paper
6.    Move again your paper keep away from eye until – sign appear again. Then, measure distance between right eye and paper
7.    Do the same step in your left eye
8.    Write your data in the table of observation result

E.      OBSERVATION RESULT
Eye
Treatment
Distance between paper and eye
Right Eye
When hand (paper) go to eye

When hand (paper) keep away from eye

Left Eye
When hand (paper) go to eye

When hand (paper) keep away from eye


Distance of blind spot :
Right Eye :
= When hand (paper) go to eye - When hand (paper) keep away from eye
= .... cm  -  .... cm
= .... cm

Left Eye :
= When hand (paper) go to eye - When hand (paper) keep away from eye
= .... cm  -  .... cm
= .... cm

F.      DISCUSSION
1.      Wheter the blind spot of left eye and right eye have same distance ?
...................................................................................................
2.      Wheter the blind spot every human have same distance ?
           ..................................................................................................
3.      Why object can not seen by eye when shadow fall on blind spot ?
...................................................................................................

G.     CONCLUSION
......................................................................................................................................................................................................................................................................................................................................................................................................................


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