Igcse Combined Science Papers
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education
*8621469522*
COMBINED SCIENCE CO-ORDINATED SCIENCES Paper 6 Alternative to Practical
0653/06 0654/06
May/June 2009 1 hour
Candidates answer on the Question paper No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs, tables or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. For Examiner's Use 1 2 3 4 5 6 Total
This document consists of 18 printed pages and 2 blank pages.
IB09 06_0653_06/3RP © UCLES 2009
[Turn over
2 BLANK PAGE
0653/06/M/J/09
3 1 A student has drawn two flowers as part of an investigation to compare an insect–pollinated with a wind–pollinated flower. bract stigma stigma petal anther
For Examiner's Use
anther
wind-pollinated flower
insect-pollinated flower (front petals removed) Fig. 1.1
Construct a table to compare the features, visible in the diagrams, of the two flowers. Your table should include three features of the flowers.
[6]
© UCLES 2009
0653/06/M/J/09
[Turn over
4 2 The teacher gives a student a piece of zinc and some dilute hydrochloric acid. The student uses the apparatus in Fig. 2.1 to investigate the speed of reaction of the zinc and hydrochloric acid. hydrogen measuring cylinder
For Examiner's Use
zinc dilute hydrochloric acid
100
Fig. 2.1
• • •
The student places 4 cm3 of the acid in a test-tube. He starts his clock. Every minute, he records in Fig. 2.2 the total volume of gas collected in the measuring cylinder.
time / minutes total volume of gas / cm3
0 0
1 50
2
Fig. 2.2
*8621469522*
COMBINED SCIENCE CO-ORDINATED SCIENCES Paper 6 Alternative to Practical
0653/06 0654/06
May/June 2009 1 hour
Candidates answer on the Question paper No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs, tables or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. For Examiner's Use 1 2 3 4 5 6 Total
This document consists of 18 printed pages and 2 blank pages.
IB09 06_0653_06/3RP © UCLES 2009
[Turn over
2 BLANK PAGE
0653/06/M/J/09
3 1 A student has drawn two flowers as part of an investigation to compare an insect–pollinated with a wind–pollinated flower. bract stigma stigma petal anther
For Examiner's Use
anther
wind-pollinated flower
insect-pollinated flower (front petals removed) Fig. 1.1
Construct a table to compare the features, visible in the diagrams, of the two flowers. Your table should include three features of the flowers.
[6]
© UCLES 2009
0653/06/M/J/09
[Turn over
4 2 The teacher gives a student a piece of zinc and some dilute hydrochloric acid. The student uses the apparatus in Fig. 2.1 to investigate the speed of reaction of the zinc and hydrochloric acid. hydrogen measuring cylinder
For Examiner's Use
zinc dilute hydrochloric acid
100
Fig. 2.1
• • •
The student places 4 cm3 of the acid in a test-tube. He starts his clock. Every minute, he records in Fig. 2.2 the total volume of gas collected in the measuring cylinder.
time / minutes total volume of gas / cm3
0 0
1 50
2
Fig. 2.2