Cambridge International Examinations Cambridge Secondary 1 ...

Cambridge International Examinations

Cambridge Secondary 1 Checkpoint

SCIENCE Paper 2 SPECIMEN PAPER

Candidates answer on the Question Paper.

Additional Materials:

Pen Pencil Ruler

Calculator

1113/02 For Examination from 2014

45 minutes

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. Do not use staples, paper clips, highlighters, glue or correction fluid.

Answer all questions. You should show all your working in the booklet.

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. The total number of marks for this paper is 50.

IB14 1113_02_SP/3RP ? UCLES 2014

This document consists of 16 printed pages.

[Turn over

2

1 (a) The boxes show some parts of plants and the function of the parts.

Draw a line from each part to match its function. part flower

function photosynthesis

leaf

absorption of water

root

transport of water and minerals

stem

reproduction

[3]

(b) Complete the word equation for photosynthesis.

carbon dioxide +

glucose

+

[2]

2 Complete the table by deciding if the information indicates that the element is a metal or a non-metal.

element magnetic

state at room temperature

Does it conduct electricity?

metal or

non-metal

A

no

liquid

yes

B

yes

solid

yes

C

no

liquid

no

D

no

gas

no

E

no

solid

yes

[2]

? UCLES 2014

1113/02/SP/14

3 3 Complete each explanation using these words.

area

force

(a) People who walk across snow may wear snowshoes.

pressure

The person does not sink into the snow because the

a larger

so that the

is less.

(b) A sharp knife cuts through cheese more easily than a blunt knife.

acts on [1]

The edge of the sharp knife has a smaller acting on the knife produces a larger

so the . [1]

? UCLES 2014

1113/02/SP/14

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4 4 Plants and green algae need mineral salts to grow.

One mineral salt is magnesium sulfate.

Ahmed and Safia investigate the growth of algae. They put different concentrations of magnesium sulfate solution into five flasks, A, B, C, D and E. They then add the algae.

measure 10 cm3 of algae using a syringe

leave for 5 days

E D C B A

add 10 cm3 of algae to each flask (a) Why did Ahmed and Safia put 10 cm3 of algae into each flask?

[1]

(b) Why did they leave the flasks for 5 days? [1]

? UCLES 2014

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5 (c) Here are their results.

flask

A B C D E

concentration of magnesium sulfate

(1 = dilute, 5 = most concentrated)

1

2

3

4

5

colour of algae (1 = light green, 10 = dark green)

4

5

8

10

1

Complete the sentence to describe the pattern of their results. As the concentration of magnesium sulfate increases from 1 to 5, the colour of the algae

[2]

(d) When the colour of the algae is dark green it has grown the most. Complete the sentence. Choose a word from the list.

carbon dioxide fastest

the same

slowest

sugar

water

When the concentration of magnesium sulfate is 4 the algae grow

. [1]

? UCLES 2014

1113/02/SP/14

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