CSEC Integrated Science Paper 3 May/June 2005 - Free CXC Past Paper with Answers

Free CXC Integrated Science Paper 3 May/June 2005 past paper from 2005. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.

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CSEC Integrated Science Paper 3 May/June 2005 Questions

Every question from this paper as text. See the answers and worked solutions. Questions are the property of the Caribbean Examinations Council; Caribbean AI is not affiliated with CXC.

Question 1 (16 marks)

(i)

(i)(i)

Using your results after following instructions (c) to (e), complete Table 1 below.

TABLE 1. RESULTS OF INVESTIGATION 1

Mass $_1$ (g)	Distance from center $d_1$ (cm)

Question 3 (19 marks)

(a)

Using the bulb, batteries, wire, and electrodes, set up an electrical circuit as shown in Figure 2 below to be placed in EACH of the EIGHT solutions provided.

Place the electrodes into each of the solutions provided and observe the brightness of the bulb.

[5 marks]

(b)

Record the relative brightness of the bulb in EACH solution in Table 2 below.

TABLE 2. OBSERVATIONS

Solution	Observations
Sodium chloride
Sulphuric acid
Water
Ethanoic acid
Sugar solution
Starch solution
Orange juice
Rubbing alcohol

[8 marks]

(c)

In Table 3 below, classify the solutions as conductors and non-conductors.

TABLE 3

Solutions that are conductors	Solutions that are non-conductors

[4 marks]

(d)

Which solution in Table 3 is the best conductor?

[1 mark]

(d)(ii)

Give ONE reason for your selection in (d) (i).

[1 mark]

(e)

State another name for a non-conductor.

[1 mark]

100	10	80
100	20	80
100	10	60
100	20	60
100	10	50
100	20	50

CSEC Integrated Science Paper 3 May/June 2005 - Free CXC Past Paper with Answers

CSEC Integrated Science Paper 3 May/June 2005 Questions

Question 1 (16 marks)

TABLE 1. RESULTS OF INVESTIGATION 1

Question 2 (12 marks)

Question 3 (19 marks)

TABLE 2. OBSERVATIONS

TABLE 3