SHS WASSCE MOCK INTEGRATED SCIENCE PAPER 3 PRACTICALS 001 Download
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WASSCE MOCK 2024
INTEGRATED SCIENCE 3
Test of Practical Work
2hours
INTEGRATED SCIENCE 3
TEST OF PRACTICAL WORK
[ 60 MARKS]
Directions to candidates
- Do not turn over this booklet until you are told to do so,
- In the spaces provided above insert your name, full index number, normal signature and the date of examination.
- Answer all the questions in this booklet.
- On no account should you tear any part of the booklet. The entire booklet will be collected at the end of the test.
- All rough work should be done in this booklet and then crossed out neatly. Under no circumstance should you work on any other paper.
- Write the NUMBERS OF THE QUESTIONS YOU HAVE ANSWERED in the order in which you have answered them in the spaces provided below;
- Identify each of the tool labelled A,B,C,D,E,F,G,H,I,J
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- State one use each of the tool labelled A, B, C, D, E, F, G, H, I, J
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- Name the Parts labelled I, II and III
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- State two ways of maintaining tool E
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- The Figure below is an illustration of a section through an organ in the human body. Study the figure carefully and answer the questions that follow.
- Â Â Â Â Â Â Â Â Â Â (i)Â Â Name the organ illustrated
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(ii) In which system of the human body is this organ a part of?
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(iii) Â State the function of the organ illustrated above
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[3 marks]
- Name each of the parts labelled I,II,III,IV,V,VI,VII,VIII
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[8 mark]
- Which of the labelled parts carry;
- Oxygenated blood;
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- Deoxygenated Blood?
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[4 marks]
- State one;
- Structural difference between the parts labelled VII and VIII
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- Functional difference between the parts labelled VII and VIII
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[2 marks]
- State the function of the part labelled VI
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[1 mark]
- The figure below is an illustration of three different methods labelled F, G, and H for collecting gases in the laboratory after preparation.
Study the illustration carefully and answer the questions that follow.
- Name each of the methods labelled F, G, and H
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- b) Mention two gases each which can be collected using each of the methods named in (a)
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(C)Â Â Â Â Â Â Â Â Â Give a reason for naming the gases for each of the methods mentioned in (b)
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(d)Â Â Â Â Â Describe briefly a chemical test for one of the gases mentioned for the methods labelled F
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- Fig. 4a illustrates an experimental setup to compare the height of an object with image formed by a pin-hole camera. The Object height, d, is placed in front of a pin-hole camera and the height, h, of the image produced on a screen was measured. The Experiment is repeated for four more objects of different heights as shown in the diagram.
Fig.4b shows the heights d = d1, d2, d3, d4 and d5 of the object and the corresponding image heights h = h1, h2, h3, h4 and h5
- Measure and record the raw object heights d = d1, d2, d3, d4 and d5
- Convert the raw object heights to real object heights D = D1,D2,D3,D4 and D5 using the scale provided.
- Measure and record the raw image heights h = h1, h2,h3,h4 and h5
- Convert the raw image heights to actual heights H = H1,H2,H3,H4 and H5 using the scale provided
- Tabulate the results as shown below.
| Raw object height (d) /cm | d1 = | d2 = | d3 = | d4 = | d5 = |
| Actual object height ( D) / cm | D1 = | D2 = | D3 = | D4= | D5= |
| Raw image height (h) /cm | h1 = | h2 = | h3 = | h4 = | h5 = |
| Actual Image height (H) / cm | H1 = | H2 = | H3 = | H4 = | H5 = |
Plot a graph with actual image heights (H) on the vertical axis and the actual object heights (D) on the horizontal axis. Â Â Â Â Graph is on Next Page
- Determine the slope of the graph
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Graph is on Next Page
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