Page 21 - Review Jurnal (Ayu Repi)

Is case-based instruction effective in enhancing high school students’ motivation toward chemistry?

Yalçınkaya, E. (2010). Effect of case based learning on 10th grade students’ understanding of
gas concepts, their attitude and motivation (Unpublished doctoral dissertation). Middle
East Technical University, Ankara, Turkey.

Appendix I

Airbag
Ayşe and her family were traveling in their car to
visit their relatives. However they experienced a car
accident and fortunately due to airbag they were not
injured at all. Like this accident, many lives of the
people are saved due to the airbags in the cars
therefore it can be said that airbags are one of the
biggest innovations in the car industry. What may be
the working principle of airbags? Please discuss.

What may be the properties of a good airbag?

What should the properties of the gas in the airbag be?

Does the gas in the airbag exert the same pressure on everywhere of the airbag? Why or why
not?

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