Primary 3 Science · Answers and explanations
Living and Non-living Things
Use this page to check the worksheet together. Talk about why each answer is right. Total: 16 marks.
Section A · Multiple choice 5 marks
1. Which of these is a living thing?
(A) A pebble(B) A mushroom(C) A toy car(D) A cloud
Answer: (B) A mushroomA mushroom is a fungus. It grows, needs food and reproduces.
2. Which of these do ALL living things need?
(A) Sunlight and soil(B) Food, water and air(C) Toys and shelter(D) Wind and rain
Answer: (B) Food, water and airLiving things need food, water and air to stay alive. Not every living thing needs soil or sunlight.
3. A cat sees a bird and runs after it. Which life process does this show?
(A) Growing(B) Responding to changes(C) Making seeds(D) Staying still
Answer: (B) Responding to changesThe cat responds to a change around it (seeing the bird). Living things respond to what is around them.
4. Which one is NOT a living thing?
(A) Bread mould(B) A grass plant(C) A rubber ball(D) A beetle
Answer: (C) A rubber ballA rubber ball does not grow, need food or reproduce.
5. Which is a way that living things reproduce?
(A) A rock breaks into pieces(B) A hen lays eggs(C) A cup is filled with water(D) A car is repaired
Answer: (B) A hen lays eggsReproduce means to make more living things of the same kind. A hen lays eggs that can hatch into chicks.
Section B · Fill in the blanks 5 marks
Word bank: grow · reproduce · water · respond · non-living
6. Living things bigger as they get older.
Answer: growGrowing is a life process of living things.
7. Plants and animals make young of the same kind. We say they .
Answer: reproduceReproduce means to make more of the same kind.
8. A plant bends towards the light. It is showing that it can to its surroundings.
Answer: respondLiving things respond to changes such as light.
9. A fish and a flower both need food, air and .
Answer: waterAll living things need water.
10. A chair is a thing because it does not grow or need food.
Answer: non-livingThings that do not do the life processes are non-living.
Section C · Short answers 6 marks (2 each)
11. Name two things that a living thing can do but a non-living thing cannot.
Model answer: It can grow. It can reproduce. (Also accept: respond to changes, need food and water.)Any two of the life processes are correct: grow, reproduce, respond, need food, water and air.
12. Sam says, "The wind moves, so the wind is alive." Is Sam correct? Give a reason.
Model answer: No. The wind moves but it does not grow, reproduce or need food, water and air.Moving alone does not make something living. Check for growth, reproduction and needs.
13. Give one example each of a living thing and a non-living thing found in your home.
Model answer: Living: a house plant (or a pet, or a person). Non-living: a table (or a spoon, or a cup).Any sensible pair is fine. The living one must grow and reproduce.
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