SCIENCE TRIAL P2 Marking schemes

SCIENCE TRIAL P2 Marking schemes - No 1 ANSWER a) The time...

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No ANSWER MARKS 1 a) The time of a pendulum swing depends on the length of the pendulum. 1 b) constant variable : mass of the pendulum/distance the pendulum is released manipulated variable : length of pendulum swing responding variable : time 1 1 1 c) The time of the swing of a simple pendulum depends on the length of the string connected to the pendulum bob used. 1 TOTAL 5 2 a) 1 1 b) 1 : 1 1 c) The gene of the red flower 1 d) None 1 TOTAL 5 3 a) 3.0 cm 1 b) 2 c) Uniform velocity from the first second until the fourth second 1 d) 6 cm 1 TOTAL 5 4 a) Jar A acts as an control 1 b) Lightly intensity // Temperature 1 c) Q : Magnesium R : nitrate 1 + 1 d) To prevent the grow of algae in the culture solution 1 TOTAL 5 1 Rr rr R r r r Rr Rr rr rr 5 - 4 - 3 - 2 - Ticker tape strip
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No Answer Marks 5 a) i) refracted 1 ii) white light consists of seven colour components which each colour component has a different velocity when travelling through the prism . 1 b) Red, Orange, Yellow, Green, Blue, Indigo, Violet 2 c) rainbow 1 d) White light 1 TOTAL 6 6 a) 1. Colouring / sunset yellow 2. Flavouring / vanilla 1 1 b) 1. colouring – to make food look more attractive
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This note was uploaded on 02/16/2011 for the course FIN 355 taught by Professor Tang during the Spring '10 term at Aachen University of Applied Sciences.

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SCIENCE TRIAL P2 Marking schemes - No 1 ANSWER a) The time...

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