TuitionGoWhere P6 Science - SA2 2026 (Version 2)
School: TuitionGoWhere
Subject: Science
Level: Primary 6
Assessment: Semestral Assessment 2 (SA2)
Duration: 1 hour 45 minutes
Total Marks: 100 marks
Date: October 2026
INSTRUCTIONS TO CANDIDATES
- Write your name and class in the spaces provided.
- This paper consists of TWO sections.
- Answer ALL questions.
- Write your answers in the spaces provided in this booklet.
- You may use a calculator for calculations.
- All working must be shown clearly.
SECTION A: Multiple Choice Questions (56 marks)
1. The main requirement for photosynthesis is: (2 marks)
- A) Oxygen
- B) Light energy
- C) Carbon monoxide
- D) Soil nutrients
2. What type of energy does moving water have? (2 marks)
- A) Chemical energy
- B) Kinetic energy
- C) Sound energy
- D) Nuclear energy
3. Materials that allow light to pass through clearly are: (2 marks)
- A) Opaque
- B) Translucent
- C) Transparent
- D) Reflective
4. Sound is produced by: (2 marks)
- A) Light waves
- B) Heat energy
- C) Vibrating objects
- D) Electric current
5. What happens to gravitational force as objects get further apart? (2 marks)
- A) It increases
- B) It decreases
- C) It stays the same
- D) It becomes zero
6. In a food chain, energy flows from: (2 marks)
- A) Predator to prey
- B) Consumer to producer
- C) Producer to consumer
- D) Decomposer to consumer
7. Which gas do plants absorb during photosynthesis? (2 marks)
- A) Oxygen
- B) Nitrogen
- C) Carbon dioxide
- D) Hydrogen
8. Light travels in: (2 marks)
- A) Curved lines only
- B) Straight lines only
- C) All directions equally
- D) Circular patterns
9. The loudness of sound depends on: (2 marks)
- A) Frequency
- B) Wavelength
- C) Amplitude
- D) Speed
10. What force opposes motion? (2 marks)
- A) Gravitational force
- B) Magnetic force
- C) Friction force
- D) Spring force
11. Primary consumers in an ecosystem are: (2 marks)
- A) Plants
- B) Herbivores
- C) Carnivores
- D) Decomposers
12. Which energy source is renewable? (2 marks)
- A) Coal
- B) Natural gas
- C) Solar power
- D) Oil
13. When light hits a mirror, it is: (2 marks)
- A) Absorbed
- B) Refracted
- C) Reflected
- D) Transmitted
14. High-pitched sounds have: (2 marks)
- A) Low frequency
- B) High frequency
- C) Large amplitude
- D) No frequency
15. Elastic potential energy is stored in: (2 marks)
- A) Moving objects
- B) High places
- C) Hot objects
- D) Stretched or compressed objects
16. Photosynthesis mainly occurs in: (2 marks)
- A) Roots
- B) Stems
- C) Leaves
- D) Flowers
17. In a parallel electrical circuit: (2 marks)
- A) Current is the same in all branches
- B) Voltage is different in each branch
- C) Components work independently
- D) One broken component stops all others
18. Light bends when it moves from air to water. This is called: (2 marks)
- A) Reflection
- B) Refraction
- C) Absorption
- D) Transmission
19. Which animals use echolocation? (2 marks)
- A) Birds and fish
- B) Bats and dolphins
- C) Cats and dogs
- D) Snakes and lizards
20. Weight is a measure of: (2 marks)
- A) Amount of matter
- B) Gravitational force
- C) Volume
- D) Density
21. Decomposers are important because they: (2 marks)
- A) Eat plants
- B) Hunt animals
- C) Recycle nutrients
- D) Produce oxygen
22. A good electrical conductor is: (2 marks)
- A) Plastic
- B) Rubber
- C) Copper
- D) Wood
23. The image formed by a plane mirror is: (2 marks)
- A) Real and upright
- B) Virtual and upright
- C) Real and inverted
- D) Virtual and inverted
24. Sound cannot travel through: (2 marks)
- A) Air
- B) Water
- C) Metal
- D) Vacuum
25. Energy conservation means: (2 marks)
- A) Energy is always increasing
- B) Energy cannot be created or destroyed
- C) Energy only exists in batteries
- D) Energy disappears over time
26. Stomata in leaves help with: (2 marks)
- A) Water absorption
- B) Gas exchange
- C) Light capture
- D) Nutrient storage
27. The main advantage of LED bulbs is: (2 marks)
- A) They are cheaper to buy
- B) They use less energy
- C) They are brighter
- D) They last shorter time
28. Total internal reflection is used in: (2 marks)
- A) Mirrors
- B) Lenses
- C) Fiber optic cables
- D) Windows
SECTION B: Open-Ended Questions (44 marks)
Question 1 (15 marks)
Sarah conducts a comprehensive experiment to study factors affecting photosynthesis. She uses aquatic plants and measures oxygen bubble production under different conditions.
Setup and Results:
| Condition | Light Distance (cm) | Temperature (°C) | CO₂ Bubbles Added | O₂ Bubbles/min |
|---|
| A | 20 | 25 | Yes | 15 |
| B | 40 | 25 | Yes | 8 |
| C | 20 | 15 | Yes | 6 |
| D | 20 | 25 | No | 3 |
(a) Identify THREE factors that affect photosynthesis shown in this experiment. (3 marks)
-
-
-
(b) Which condition (A, B, C, or D) shows the highest rate of photosynthesis? Explain why. (3 marks)
Condition: _________________________________________________
Explanation: _________________________________________________
(c) Compare conditions A and B. What can you conclude about the effect of light intensity? (2 marks)
(d) Compare conditions A and C. What factor causes the difference in results? (2 marks)
(e) Why does condition D still produce some oxygen bubbles? (2 marks)
(f) Write the balanced equation for photosynthesis. (2 marks)
(g) If Sarah wanted to increase the rate of photosynthesis in condition C, suggest ONE change she could make. (1 mark)
Question 2 (15 marks)
The diagram shows energy transformations in different situations:
Situation 1: Wind turbine generating electricity
Situation 2: Car braking to a stop
Situation 3: Bow and arrow being shot
Situation 4: Solar panel powering a light bulb
(a) For each situation, describe the main energy transformations: (8 marks)
Situation 1: _______________________ energy → _______________________ energy
Situation 2: _______________________ energy → _______________________ energy
Situation 3: _______________________ energy → _______________________ energy
Situation 4: _______________________ energy → _______________________ energy
(b) Which situations demonstrate renewable energy use? Explain your choices. (3 marks)
Situations: _________________________________________________
Explanation: _________________________________________________
(c) In Situation 3, calculate the kinetic energy of a 0.05 kg arrow moving at 20 m/s. Use KE = ½mv². (2 marks)
KE = ½ × _____________ × _____________²
KE = _____________
(d) Explain why energy efficiency is important for the environment. (2 marks)
Question 3 (14 marks)
David investigates the behavior of light using mirrors and lenses:
Experiment 1: Light ray hitting a plane mirror at 30° to the normal
Experiment 2: Light ray passing from air into water
Experiment 3: White light passing through a triangular prism
(a) For Experiment 1, what is the angle of reflection? State the law that applies. (3 marks)
Angle of reflection: _________________________________________________
Law: _________________________________________________
(b) In Experiment 2, what happens to the light ray? What is this phenomenon called? (3 marks)
What happens: _________________________________________________
Name of phenomenon: _________________________________________________
(c) In Experiment 3, what do you observe when white light exits the prism? Explain why this happens. (4 marks)
Observation: _________________________________________________
Explanation: _________________________________________________
(d) Draw a ray diagram showing what happens when a light ray hits a convex lens. Label the focal point and show how parallel rays behave. (3 marks)
Drawing space
(e) Give ONE practical application for each optical phenomenon: (1 mark)
Reflection: _________________________________________________
END OF PAPER
MARKING ALLOCATION
- Section A (MCQ): 56 marks
- Section B (Open-ended): 44 marks
- Total: 100 marks
TIME ALLOCATION GUIDANCE
- Section A: 45 minutes
- Section B: 55 minutes
- Checking: 5 minutes