Question 4:
Diagram 4.1 and Diagram 4.2 show the set-up of an experiment to study the malleability of different materials by hitting it with a hammer.
Diagram 4.1
Diagram 4.2
(a) Based on Diagram 4.1,
(i) State one observation for this experiment.
(ii) State one inference for your answer in 4(a)(i). [2 marks]
(b) State the responding variable in this experiment. [1 mark]
(c) Mark (√) in the boxes provided the material which has the same characteristic as material in Diagram 4.2. [1 mark]
Iron [ ]
Sulphur [ ]
(d) Copper is a metal. Based on this experiment, state the operational definition of metal. [1 mark]
Answer:
(a)(i) Copper block is changed to copper plate by hitting it with a hammer.
(a)(ii) Copper is malleable.
(b) The malleability of substances
(c) Sulphur
(d) Metal is a substance that can change its shape when hit
Diagram 4.1 and Diagram 4.2 show the set-up of an experiment to study the malleability of different materials by hitting it with a hammer.
Diagram 4.1Diagram 4.2(a) Based on Diagram 4.1,
(i) State one observation for this experiment.
(ii) State one inference for your answer in 4(a)(i). [2 marks]
(b) State the responding variable in this experiment. [1 mark]
(c) Mark (√) in the boxes provided the material which has the same characteristic as material in Diagram 4.2. [1 mark]
Iron [ ]
Sulphur [ ]
(d) Copper is a metal. Based on this experiment, state the operational definition of metal. [1 mark]
Answer:
(a)(i) Copper block is changed to copper plate by hitting it with a hammer.
(a)(ii) Copper is malleable.
(b) The malleability of substances
(c) Sulphur
(d) Metal is a substance that can change its shape when hit