Automated PLE Science Exam Paper Generator

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) A physical change does not take place in living things and is reversible, whereas a biological change takes place exclusively in living organisms and is irreversible. (b) (i) Melting (ii) Evaporation / Boiling (c) Evaporation

💡 Examiner Deduction Warning: Clear distinction in reversibility and living vs non-living matter.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) The tin can crushed / collapsed inward. (b) Cold water condensed the steam inside into liquid water, creating a partial vacuum (low air pressure) inside. The higher atmospheric air pressure outside crushed the can inward. (c) Condensation (gas/steam turning into liquid water).

💡 Examiner Deduction Warning: A classic 4-mark PLE question.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Steam (or hot water droplets). (b) A scald. (c) Immediately dip/place the injured arm in clean cold water. (d) Any one of: Use insulators/holder cloths to remove covers, avoid playing near cooking stoves, or cook from a raised place.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Test-Tube D (Salty water) (b) Oxygen was absent (driven out by boiling and blocked by the oil layer) (c) To keep the air completely dry by absorbing moisture (d) Oxygen and Moisture (water)

💡 Examiner Deduction Warning: Candidate must correctly identify the missing factor in each test tube.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Practicing personal hygiene (bathing, washing hands) OR sleeping under treated mosquito nets. (b) Teaching health education OR providing clean separate latrines OR holding health parades. (c) (i) Mobilising mothers for child immunisation days (ii) Treating uncomplicated malaria with ACTs / distributing ORS for diarrhea.

💡 Examiner Deduction Warning: Award 1 mark per section.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Static electricity consists of electric charges at rest on a surface, whereas current electricity is the continuous flow of charges (electrons) through a conductor. (b) By rubbing the plastic ruler vigorously with a dry cloth (or dry hair), causing transfer of electrons through friction. (c) 1. Installing a functional lightning conductor with sharp copper spikes. 2. Ensuring the earth wire of the arrestor is deeply grounded in moist soil.

💡 Examiner Deduction Warning: State that charges in current electricity are in continuous motion.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) A short circuit is an accidental direct connection between live and neutral wires with near-zero resistance, resulting in dangerously high current flow. (b) 1. Frayed, worn-out, or damaged insulation on cables. 2. Overloading multi-plug sockets with heavy appliances. (c) Ordinary water contains dissolved minerals and is a good electrical conductor, which will shock and electrocute anyone attempting to put out the fire.

💡 Examiner Deduction Warning: Never use water on electrical fires—use dry powder or carbon dioxide fire extinguishers.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) (i) Two parallel lines: one long thin line (+) and one short thick line (-). (ii) A line with a gap and a raised lever not making contact. (b) 1. Each bulb operates at full voltage and glows brightly. 2. If one bulb burns out or is switched off, the remaining bulbs in other branches stay on.

💡 Examiner Deduction Warning: Independent branch operation is the main advantage of parallel circuits.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Drowning is dying due to lungs being filled with water, whereas near drowning is a condition where lungs are filled with water and breathing fails, but the casualty is not yet dead. (b) Any two of: Inability to swim, capsizing of boats in a storm, floods, or getting a muscle cramp while in deep water. (c) Pull them out of the water immediately and apply mouth-to-mouth resuscitation (Kiss of life) followed by chest compressions (CPR).

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Afforestation is the massive planting of trees in an area where there have never been trees before. (b) (i) To get land for farming and settlement (ii) To get wood fuel (firewood and charcoal) and timber. (c) Tree roots that absorb excess rainwater are destroyed, and bare soil easily allows rapid surface runoff into rivers and lakes.

💡 Examiner Deduction Warning: Mark strictly on environmental cause-and-effect.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Ingestion of human faeces containing tapeworm eggs by free-roaming pigs. (b) Pork tapeworm (Taenia solium). (c) (i) Inspecting all pork thoroughly before sale (ii) Cooking pork thoroughly until well done (iii) Confining pigs in pens (iv) Ensuring all people use latrines.

💡 Examiner Deduction Warning: Clear 4-mark health & sanitation integration.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) An ordinary pit latrine requires a tight-fitting lid over its drop hole, whereas a VIP latrine must be left open without a lid at all times. (b) Wood ash (or soil/lime) is sprinkled over the feces. Its role is to dehydrate the waste, neutralize smells, and raise pH to destroy pathogens. (c) Never throw hard materials (like stones, pads, or newspapers) into the bowl to prevent blockage. TOPIC 12: THE REPRODUCTIVE SYSTEM

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Primary Health Care. (b) (i) Community participation (ii) Affordability / Accessibility / Equity / Appropriate technology. (c) Because preventive measures (sanitation, clean water, immunisation) cost very little compared to expensive drugs and hospital admission.

💡 Examiner Deduction Warning: Reward clear economic and social understanding.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Foot rot. (b) Wet, muddy, and dung-filled dirty floors. (c) (i) Regularly trim overgrown hooves (ii) Walk goats through a copper sulphate footbath (iii) Keep pens clean and dry (use slatted floors).

💡 Examiner Deduction Warning: Practical veterinary question.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Vasectomy is a permanent surgical method done on men (cutting the vas deferens), whereas tubal ligation is done on women (cutting the fallopian tubes). (b) Condoms are the only birth control method that also protects against the transmission of STDs/HIV. (c) Any one of: Abstinence, calendar/rhythm method, withdrawal, or prolonged breastfeeding. 🎨 We have now extracted the complete Evaluation Questions for P.6 Term 3! Would you like me to turn these questions into an interactive class game or a beautiful PDF exam paper that you can print for your pupils?