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Question 1:
A student conducts an experiment to study the tensile strength of two types of substance. Diagram 1.1 and Diagram 1.2 show the results of the experiment.
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(a) Based on Diagram 1.1 and Diagram 1.2, name the substance which has high tensile strength. [1 mark]
(b) State one manipulated variable for this experiment. [1 mark]
(c) State one hypothesis for this experiment. [1 mark]
(d) Carbon is a non-metal substance. Based on this experiment, state the operational definition for non-metal. [1 mark]
(e) Mark (\/) the substance which has the same characteristic as the substance in Diagram 1.1. [1 mark]
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Answer:
(a) Copper
A student conducts an experiment to study the tensile strength of two types of substance. Diagram 1.1 and Diagram 1.2 show the results of the experiment.
[adinserter block="3"]
(a) Based on Diagram 1.1 and Diagram 1.2, name the substance which has high tensile strength. [1 mark]
(b) State one manipulated variable for this experiment. [1 mark]
(c) State one hypothesis for this experiment. [1 mark]
(d) Carbon is a non-metal substance. Based on this experiment, state the operational definition for non-metal. [1 mark]
(e) Mark (\/) the substance which has the same characteristic as the substance in Diagram 1.1. [1 mark]
[adinserter block="3"]
Answer:
(a) Copper
(b) Types of substance
(c) Metal has high tensile strength compare to non-metal
(d) Non-metal is a substance that easily broken
(e)