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8 The table below shows some properties of six materials.

material hardness melting point soluble in water strength
(1 = soft and (1 = low and (1 = weak and
10 = hard) 10 = high) 10 = strong)

A 9 10 yes 9

B 4 10 no 1

C 5 9 no 10

D 10 10 no 10

E 4 4 no 6

F 9 9 no 9

(a) Material E has a low melting point.

What is the meaning of the words melting point?

[2]

(b) A cutting tool needs to be very hard, have a high melting point and be very
strong.

Which material is the best to make a cutting tool?

Circle the correct answer.

A B C D E F

[1]

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