New Curriculum Second Term Intermediate Science examination for JSS 1

Class: JSS 1
Term: Second Term
Subject: Intermediate Science
Time: 2 hours
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions. Each question carries 1 mark.

1. Energy is the capacity to ________. (a) occupy space only    (b) prevent all movement    (c) measure only distance    (d) do work
2. Energy transformation refers to ________. (a) eliminating energy without a trace    (b) changing matter into a unit of length    (c) changing energy from one form to another    (d) preventing every transfer of heat
3. Which conversion occurs in a torch? (a) Sound energy to stored food    (b) Chemical energy to electrical and light energy    (c) Heat energy to rainfall    (d) Light energy to soil mass
4. Which form of energy is carried by moving objects? (a) Stored chemical energy only    (b) Kinetic energy    (c) Electrical potential only    (d) Nuclear fuel
5. A solar panel converts sunlight primarily into ________. (a) electrical energy    (b) sound energy    (c) chemical energy in food    (d) gravitational energy
6. Which source is renewable? (a) Coal    (b) Diesel    (c) Natural gas    (d) Sunlight
7. Which source is non-renewable? (a) Wind    (b) Sunlight    (c) Petroleum    (d) Flowing river water
8. The renewable source used by a wind turbine is ________. (a) petrol    (b) coal    (c) moving air    (d) kerosene
9. One advantage of renewable energy is that it ________. (a) always needs no equipment    (b) can be replenished by natural processes    (c) produces no environmental effects whatsoever    (d) is identical to fossil fuel
10. Which practice is an example of wasting energy? (a) Leaving unused lights switched on    (b) Turning off an unused appliance    (c) Using daylight when suitable    (d) Maintaining efficient devices
11. An energy-efficient appliance is one that ________. (a) has the highest possible power rating    (b) must always run continuously    (c) has no need for maintenance    (d) uses less energy for a comparable useful task
12. Energy used in food preparation is often supplied as ________. (a) gravity alone    (b) sound    (c) elasticity    (d) heat
13. Which energy conversion occurs when a fan runs? (a) Chemical to nuclear energy    (b) Sound to stored sunlight    (c) Electrical to mechanical energy    (d) Light to gravitational energy
14. Improved access to reliable energy can support ________. (a) the end of every environmental challenge    (b) health services, learning and production    (c) permanent removal of all energy costs    (d) a ban on all technology
15. Which statement about fossil fuels is accurate? (a) They form over very long geological periods.    (b) They are replaced immediately after use.    (c) They require no extraction.    (d) They are always renewable.
16. Using energy responsibly helps to ________. (a) reduce waste and unnecessary environmental impact    (b) guarantee a zero-cost electricity supply    (c) stop all heat transfer    (d) eliminate the need for maintenance
17. Skill acquisition is the process of ________. (a) buying tools without training    (b) avoiding supervised practice    (c) memorising only business slogans    (d) learning and developing practical abilities
18. A benefit of practical skills is ________. (a) guaranteed work without effort    (b) no need for safety procedures    (c) improved employability and self-reliance    (d) automatic success without practice
19. Which skill is most directly technical? (a) Ignoring written instructions    (b) Operating workshop measuring tools correctly    (c) Guessing measurements    (d) Discarding equipment manuals
20. Which interpersonal skill helps during group practical work? (a) Disrespect    (b) Cooperation    (c) Refusal to communicate    (d) Dishonesty
21. Effective skill acquisition requires ________. (a) practice, guidance and feedback    (b) only watching one demonstration    (c) refusing corrections    (d) unsafe experimentation
22. A learner demonstrates competence by ________. (a) naming tools without understanding them    (b) working without checking results    (c) ignoring the task procedure    (d) performing a task accurately and safely
23. Scientific ethics concerns ________. (a) only the shape of laboratory tables    (b) only the cost of materials    (c) responsible and fair conduct in scientific activities    (d) only the number of practical periods
24. Which is an ethical way to report an experiment? (a) Change readings to fit an expected answer.    (b) Copy invented results from another group.    (c) Record observed results honestly.    (d) Hide errors from the supervisor.
25. Which action protects participants in a practical demonstration? (a) Ignoring possible hazards    (b) Following safety and consent requirements    (c) Using damaged tools deliberately    (d) Refusing to explain risks
26. Honest scientific reporting is important because it ________. (a) supports trustworthy conclusions    (b) makes every hypothesis automatically true    (c) eliminates the need for observation    (d) hides uncertainty from the reader
27. The main purpose of a science laboratory is to ________. (a) store unused classroom furniture only    (b) replace every lesson with memorisation    (c) perform experiments without supervision    (d) conduct scientific investigations safely
28. Which tool is suitable for measuring liquid volume? (a) Thermometer    (b) Spring balance    (c) Metre rule    (d) Measuring cylinder
29. Which instrument is used to measure temperature? (a) Ruler    (b) Stopwatch    (c) Thermometer    (d) Beaker
30. A laboratory workbench should be kept ________. (a) covered with loose chemicals    (b) clean and organised    (c) blocked by bags    (d) wet near electrical sockets
31. When using laboratory equipment, a pupil should first ________. (a) read and follow the teacher’s instructions    (b) mix unknown chemicals for curiosity    (c) test damaged equipment alone    (d) eat at the workbench
32. Why should equipment be returned after use? (a) For safe storage and future availability    (b) To make it difficult to locate    (c) To hide damaged items    (d) To avoid checking inventory
33. Which rule is appropriate in a school workshop? (a) Operate every machine without training.    (b) Leave sharp tools on the floor.    (c) Run while holding tools.    (d) Use suitable protective equipment as directed.
34. A workshop accident is an unexpected incident that ________. (a) is always planned in advance    (b) must occur outside the workshop    (c) causes or may cause injury or damage    (d) cannot involve tools
35. First aid is ________. (a) a replacement for all medical treatment    (b) immediate basic care given before further treatment    (c) the storage of classroom equipment    (d) an advanced operation performed by students
36. What is the first sensible response to a workshop accident? (a) Crowd around the injured person.    (b) Stop the activity and alert the responsible teacher.    (c) Continue using the faulty tool.    (d) Hide the incident from supervisors.
37. A common cause of workshop accidents is ________. (a) careless handling of tools    (b) appropriate protective clothing    (c) proper supervision    (d) clear walkways
38. Which action helps prevent electrical accidents? (a) Use damaged plugs.    (b) Handle live wires without protection.    (c) Spill water on sockets.    (d) Keep hands dry near powered equipment.
39. Why should workshop machines be maintained? (a) To make protective equipment unnecessary    (b) To allow untrained use    (c) To reduce faults and improve safe operation    (d) To prevent all learning activities
40. If a tool is damaged during practical work, pupils should ________. (a) continue using it until it breaks    (b) lend it to another group    (c) report it and stop using it    (d) hide it in the cupboard

SECTION B: THEORY (30 Marks)
Instruction: Answer Question 1 and any other TWO questions. Each question carries 10 marks.

1. Energy
(a) Define energy and energy transformation. (4 marks)
(b) State two renewable and two non-renewable energy sources. (4 marks)
(c) Explain one benefit of conserving energy. (2 marks)

2. Skill acquisition and scientific ethics
(a) Define skill acquisition. (2 marks)
(b) Explain two advantages of learning a practical skill. (4 marks)
(c) State two ethical rules for collecting scientific results. (4 marks)

3. Laboratory safety
(a) Name four laboratory or workshop instruments and give their functions. (8 marks)
(b) State two rules for safe laboratory work. (2 marks)

4. First aid and workshop accidents
(a) Define first aid. (2 marks)
(b) State two causes of workshop accidents. (4 marks)
(c) Explain two precautions that reduce such accidents. (4 marks)

Objective Marking Scheme
Question 1 – ✅ (d) do work
Question 2 – ✅ (c) changing energy from one form to another
Question 3 – ✅ (b) Chemical energy to electrical and light energy
Question 4 – ✅ (b) Kinetic energy
Question 5 – ✅ (a) electrical energy
Question 6 – ✅ (d) Sunlight
Question 7 – ✅ (c) Petroleum
Question 8 – ✅ (c) moving air
Question 9 – ✅ (b) can be replenished by natural processes
Question 10 – ✅ (a) Leaving unused lights switched on
Question 11 – ✅ (d) uses less energy for a comparable useful task
Question 12 – ✅ (d) heat
Question 13 – ✅ (c) Electrical to mechanical energy
Question 14 – ✅ (b) health services, learning and production
Question 15 – ✅ (a) They form over very long geological periods.
Question 16 – ✅ (a) reduce waste and unnecessary environmental impact
Question 17 – ✅ (d) learning and developing practical abilities
Question 18 – ✅ (c) improved employability and self-reliance
Question 19 – ✅ (b) Operating workshop measuring tools correctly
Question 20 – ✅ (b) Cooperation
Question 21 – ✅ (a) practice, guidance and feedback
Question 22 – ✅ (d) performing a task accurately and safely
Question 23 – ✅ (c) responsible and fair conduct in scientific activities
Question 24 – ✅ (c) Record observed results honestly.
Question 25 – ✅ (b) Following safety and consent requirements
Question 26 – ✅ (a) supports trustworthy conclusions
Question 27 – ✅ (d) conduct scientific investigations safely
Question 28 – ✅ (d) Measuring cylinder
Question 29 – ✅ (c) Thermometer
Question 30 – ✅ (b) clean and organised
Question 31 – ✅ (a) read and follow the teacher’s instructions
Question 32 – ✅ (a) For safe storage and future availability
Question 33 – ✅ (d) Use suitable protective equipment as directed.
Question 34 – ✅ (c) causes or may cause injury or damage
Question 35 – ✅ (b) immediate basic care given before further treatment
Question 36 – ✅ (b) Stop the activity and alert the responsible teacher.
Question 37 – ✅ (a) careless handling of tools
Question 38 – ✅ (d) Keep hands dry near powered equipment.
Question 39 – ✅ (c) To reduce faults and improve safe operation
Question 40 – ✅ (c) report it and stop using it

Theory Marking Scheme
Question 1: (a) Energy is capacity to do work; transformation converts one form to another (2 each). (b) Renewable sun/wind/water and non-renewable coal/petroleum/gas (four valid, 1 each). (c) Reduces waste/resource use (2).
Question 2: (a) Learning/developing a practical ability (2). (b) Employment, self-reliance, productivity, entrepreneurship (2 explained, 2 each). (c) Honest recording, risk/consent rules, fair reporting, no falsification (2 each).
Question 3: (a) Examples: thermometer—temperature; measuring cylinder—liquid volume; balance—mass; ruler—length; stopwatch—time (any four correctly paired, 2 each). (b) Follow supervision, wear protective equipment, keep work areas safe, do not taste chemicals (two, 1 each).
Question 4: (a) Immediate care until further medical help is available (2). (b) Poor tool handling, damaged equipment, wet electrical contacts, crowded work areas (two, 2 each). (c) Training/supervision, inspection, protective equipment, clear walkways (two explained, 2 each).
Mark only three answered theory questions. Accept factually equivalent points within the taught curriculum.