Primary 3 Science · Investigation worksheet

Living and Non-living Things

Name:Date:Marks: / 20

Section A · Multiple choice 8 marks

1. Look at Table 1. Which items are living things?1 mark

Table 1: Mei Ling tests four items
Item	Needs air	Needs water	Needs food	Can grow	Can reproduce	Responds to changes
Goldfish	✔	✔	✔	✔	✔	✔
Pebble	✘	✘	✘	✘	✘	✘
Bean seedling	✔	✔	✔	✔	✔	✔
Toy car	✘	✘	✘	✘	✘	✘

(A) Pebble and toy car only(B) Goldfish and bean seedling only(C) Goldfish, bean seedling and toy car(D) Pebble and bean seedling only

2. Which three things do all living things need?1 mark

(A) Air, water and food(B) Air, soil and light(C) Water, soil and heat(D) Food, light and sand

3. Look at Figure 3. Which one thing is being changed in this investigation?1 mark

(A) The size of the pot(B) The kind of seedling(C) The amount of soil(D) The amount of water

4. Look at Table 2. How many centimetres did the seedling grow from Week 1 to Week 3?1 mark

Table 2: Height of a bean seedling placed by a sunny window
Week	0	1	2	3
Height of bean seedling (cm)	2	4	7	11

(A) 11 cm(B) 9 cm(C) 7 cm(D) 5 cm

5. A hen sits on her eggs and some weeks later chicks hatch. Which characteristic of living things does this show?1 mark

(A) They respond to changes(B) They reproduce(C) They need air(D) They grow bigger

6. Look at Figure 4. Which conclusion is best supported by the results?1 mark

(A) Most of the woodlice stayed on the damp side(B) All of the woodlice stayed on the damp side(C) Woodlice do not need water(D) Woodlice moved more on the dry side

7. Which group has living things only?1 mark

(A) Rock, fern, ant(B) Mushroom, chair, cat(C) Toy car, bird, tree(D) Mushroom, ant, fern

8. Look at Figure 3. Which seedling will most likely wither first?1 mark

(A) The seedling in Pot A(B) The seedling in Pot B(C) The seedling in Pot C(D) All will wither at the same time

Section B · Show what you know 12 marks

9. Look at Table 1. Aisha says, "Plants do not need food because they never eat." Is she correct? Use the table to explain.2 marks

Table 1: Mei Ling tests four items
Item	Needs air	Needs water	Needs food	Can grow	Can reproduce	Responds to changes
Goldfish	✔	✔	✔	✔	✔	✔
Pebble	✘	✘	✘	✘	✘	✘
Bean seedling	✔	✔	✔	✔	✔	✔
Toy car	✘	✘	✘	✘	✘	✘

10. Look at Table 2. State the characteristic of living things shown in the results. Describe the change in the height.2 marks

Table 2: Height of a bean seedling placed by a sunny window
Week	0	1	2	3
Height of bean seedling (cm)	2	4	7	11

11. Look at Figure 3. The pupil wants a fair test. State two things that must be kept the same.2 marks

12. Look at Figure 4. Which characteristic of living things do the woodlice show? Explain using the results.2 marks

13. Dev is not sure if a dry bean seed is living. Describe how he can find out. State the result that shows it is living.2 marks

14. Ravi says, "My toy robot dog walks and barks, so it is living." Do you agree? Give two reasons.2 marks

Shukr Learns · free practice for parents and children · original questions, not affiliated with any school or agency