P6 Practice Student book answers questions

Student book answers

P6 Practice questions

Question

Answers

Extra information

Mark

01.1 volume = length ? base ? height

1

correct: the statute will displace

1

the same amount of water as its

01.2 own volume

this will increase the level of

water in the pond

1

Yes

1

01.3

weight of statue = 741 N

2

02.1 80 oC

1

A to B: The naphthalene is

1

heating up and the particles are

moving faster.

1 B to C: The naphthalene is melting and energy (latent heat of fusion) is being used to 02.2 separate the particle bonds into liquid particles. The temperature remains constant.

1 C to D: The liquid naphthalene uses the heat to gain temperature.

02.3 naphthalene fumes may be toxic

1

03.1

correct diagram drawn showing increased spacing between particles in a gas

1 mark each for a liquid and gas particle diagram

2

03.2 volume

1

03.3 2.505 x 104 J

1 mark each for: working,

3

answer, and unit

03.4 16 oC

1 mark each for equation,

3

working, and unit

04.1 0.016kg

1

04.2 2 362 500 J/kg

1 mark each for: working,

3

answer, and unit

04.3

energy also lost to the surroundings

1

insulate the beaker 04.4

repeat the test

accept two sensible improvements

1 1

? Oxford University Press 2016: oxfordsecondary.co.uk/acknowledgements

This resource sheet may have been changed from the original.

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