Asia-Pacific Forum on Science Learning and Teaching, Volume 6, Issue 2, Article 2 (Dec., 2005) Sabri KOCAKULAH, Evrim USTUNLUOGLU and Aysel KOCAKULAH The effect of teaching in native and foreign language on students' conceptual understanding in science courses Previous Contents

Appendix - Conceptual Understanding Test

INSTRUCTIONS TO CANDIDATES

This instrument is not a test. It is prepared to find out your ideas about energy concepts. It is essential that you write down what you actually think about the question without considering whether your response is correct or not. Therefore, it would be very grateful if you could write the answer, which might be organised and stated the relevant ideas, to open-ended questions in the spaces provided in this instrument.

You can start to answer from any question you would like and use the blanks on this question paper for rough work. If you need more space please turn over the page and use the empty space at back.

Name of the School	Sex
	Male	Female

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Question 1: Skier

Figure above shows three hills which have different heights and are covered with snow. Murat, who is enrolled the skiing race, wants to make practice and starts skiing down the hill A without using his hands. If we ignore the friction between the ski and the snow, put an X on the picture to show how far Murat will go before he stopped.

Please give the reasons for your answer.

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Question 2: Clockwork mouse

a) When did Ayse's clockwork mouse have the most energy? Tick in the box next to the one you choose.

A) Before it was wound up

B) When it had just been wound up

C) When it was moving

D) When it had stopped

E) Same all the time

b) Give the reason for choosing the one you did.

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Question 3: Porter

The pictures above show the choices of a porter lifting the boxes of grapes using a wheelbarrow to load them up the lorry. The statements below are about the amount of energy he uses in each case.

a) Put a tick in the box beside the one statement you agree with.

A) The energy he uses to lift the boxes with the wheelbarrow on route A is least

B) The energy he uses to lift the boxes with the wheelbarrow on route B is least

C) The energy he uses to lift the boxes with the wheelbarrow on route C is least

D) The energy he uses to lift the boxes with the wheelbarrow is the same whichever route is chosen.

b) Give the reason for your choice of answer.

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Question 4: Compressed spring

Figures above depict two situations on a set-up of throwing a ball. Figure 1 shows a compressed spring with a ball in front of the spring. Figure 2 shows a released spring repelling the ball which uses the gained energy. As the ball moves along the cylindrical tube, which is made of transparent glass, some heat is also produced. Mehmet, who makes an experiment with this set-up, thoughts that the compressed spring has more energy than the repelled ball.

What is right?___________________________________________________________________

Why?__________________________________________________________________________

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THANKS FOR YOUR CO-OPERATION

 

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Copyright (C) 2005 HKIEd APFSLT. Volume 6, Issue 2, Article 2 (Dec., 2005). All Rights Reserved.