Asia-Pacific Forum on Science Learning and Teaching, Volume 18, Issue 2, Article 16 (Dec., 2017) Hanife SARAÇOĞLU, Mevlüde DOĞAN and Özge KOL Investigation of teacher-candidates' level of knowledge and their misconceptions with content analysis Previous Contents

Appendix

Dear teacher candidates, this test aims to evaluate your knowledge on "unit conversation and dimensional analysis”. The answers you provide will not have any effect on your course grades. Your answer sheets will be used within the research being conducted, and your name will be kept confidential in accordance with the codes of ethics. For validity of the research, it is very important that you answer all questions. Therefore, please do not leave any question blank. Thank you for your interest, and good luck.

 

Name & Surname:                                                           Class: 1. Is it correct that a constant quantity does not have a unit? Explain your answer."       2. 130 pm= ............ m.   3. What is the density (g/cm3) of a spherical object with a radius of 1x102 µm, mass of 3x1019 mg?       4. A parachutist jumping from a plane is imposed to an air drag of  . What is the dimension of the constant ? Explain your answer.         5.Is the statement true that dimensional analysis can be used for a proportion constant in a mathematical equation?  Explain your answer.