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Thursday 26 January 2012 – Morning
GCSE GATEWAY SCIENCE
ADDITIONAL SCIENCE B
B623/02 Unit 1 Modules B3 C3 P3 (Higher Tier)
* B 6 2 0 7 6 0 1 1 2 *
Candidates answer on the Question Paper.
A calculator may be used for this paper.
Duration: 1 hour
OCR supplied materials:
None
Other materials required:
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Pencil
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Ruler (cm/mm)
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B
6
2
3
0
2
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INSTRUCTIONS TO CANDIDATES
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Write your name, centre number and candidate number in the boxes above. Please write clearly and in capital letters.
Use black ink. HB pencil may be used for graphs and diagrams only.
Answer all the questions.
Read each question carefully. Make sure you know what you have to do before starting your answer.
Write your answer to each question in the space provided. Additional paper may be used if necessary but you must clearly show your candidate number, centre number and question number(s).
Do not write in the bar codes.
INFORMATION FOR CANDIDATES
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The number of marks is given in brackets [ ] at the end of each question or part question. A list of physics equations is printed on page two.
The Periodic Table is printed on the back page.
The total number of marks for this paper is 60.
This document consists of 24 pages. Any blank pages are indicated.
© OCR 2012 [Y/103/4259]
DC (NF/CGW) 44052/5
OCR is an exempt Charity
Turn over
2
EQUATIONS
speed =
distance time taken
acceleration =
change in speed time taken
force = mass × acceleration
work done = force × distance
power =
work done time kinetic energy =
1 mv2 2
potential energy = mgh
weight = mass × gravitational field strength
resistance =
© OCR 2012
voltage current 3
BLANK PAGE
Question 1 begins on page 4.
PLEASE DO NOT WRITE ON THIS PAGE
© OCR 2012
Turn over
4
Answer all the questions.
Section A – Module B3
1
Rennin is an