Checkpoint Science Specimen Paper 2012

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Checkpoint Science Specimen Paper 2012

By | August 2012
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge Checkpoint

SCIENCE Paper 1 SPECIMEN PAPER

1113/01
For Examination from 2012 45 minutes

Candidates answer on the Question Paper. Additional Materials: Ruler

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 or rough working. For Examiner's Use Do not use staples, paper clips, highlighters, glue or correction fluid. 1 Answer all questions. You should show all your working in the booklet. The number of marks is given in brackets [ ] at the end of each question or part question. The total number of marks for this paper is 50. 2 3 4 5 6 7 8 9 10 Total

This document consists of 15 printed pages and 1 blank page. [Turn over

© UCLES 2011

2 1 The diagram shows a plant cell.
A
For Examiner's Use

C

B

chloroplast

(a) Name the parts labelled A, B and C. A B C [3]

(b) Why are chloroplasts important to plants? [1]

(c) Name two structures present in a plant cell that are not present in an animal cell. and [2]

© UCLES 2011

1113/01/SP/12

3 2 The diagram shows a balloon containing air.
For Examiner's Use

air

(a) Explain how the air particles exert a pressure on the inside of the balloon.

[2]

(b) The air in the balloon is heated by leaving the balloon in a sunny place. State two effects this has on the air particles. 1 2 [2]

(c) State one way in which the balloon changes when it is left in a sunny place. [1]

© UCLES 2011

1113/01/SP/12

[Turn over

4 3 Maya investigates the reaction between calcium carbonate and hydrochloric acid. She adds dilute hydrochloric acid to some calcium carbonate (marble chips), at room temperature. She collects the gas given off in a gas syringe. For Examiner's Use

dilute hydrochloric acid

syringe

calcium carbonate

(a) Suggest one safety hazard in this experiment....

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