EXAMPLE OF STUDENT WORKSHEET 7

STUDENT WORKSHEET

A.     TOPIC

Impact of Smoking

B.     LEARNING OBJECTIVES

1.    Students are able to prove that cigarette give negative effect for human respiration system

2.    Students are able to explain negative effect of smoking for human respiration system

C.     INSTRUMENT

1.       Bottle

2.       Cotton

3.       Cigarettes

4.       Bottle Cover

D.     METHOD

1.    Pay attention teacher demonstation about impact of smoking

a.       Put cotton into upper first cover bottle

b.      Close bottle with second bottle cover

c.       Put one cigarettes into hole in second bottle cover

d.      Light the cigarette

e.       Give pressure in the volume of bottle recurly with hand until cigarettes complete burned

f.        Detach second bottle cover from the bottle

g.       Take cotton under second bottle cover

h.       Observe differences of cotton color before and after used in demonstration

2.    Answer discussions based on demonstration

3.    Conclude meaning of demonstration

E.      OBSERVATION RESULT

Condition	Before Drag Cigarettes	After Drag Cigarettes
Bottle
Cotton

F.      DISCUSSION

1.      What the meaning of bottle conditon ?

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2.      What is the meaning of changing color in cotton bath ?

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3.      What are the components of cigarettes that can give negative effect for human respiratory system?

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4.      How smoking can give negative effect for human respiratory system?

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G.     CONCLUSION

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