practice questions

Question 1

what is a metal used to make most fishing snickers

Answer 1

lead

Question 2

what is a property in gold which makes it visually appealing for jewellery

Answer 2

it is appealing because of how gold is shiny and looks expensive

Question 3

explain how the physical properties of gold allow it to be easily used for jewellery

Answer 3

golds physical properties that makes it good for jewelry is how gold has a low melting point

Question 4

why is gold is used to make family heirloom jewelry instead of iron

Answer 4

gold is more valuable than iron

Question 5

what is another metal that would also be good for pots and pans

Answer 5

aluminium

Question 6

why will it be good for pots and pans

Answer 6

because aluminium is unattractive and conducts heat and is valuable

Question 7

compare use of lead and copper in use of cooking

Answer 7

lead is toxic and copper isn’t.

Question 8

what is a reason would be a bad bad choice of motorcycle frame

Answer 8

leads density and low melting point

Question 9

explain factors which make aluminium a good choice for a motorcycle frame

Answer 9

aluminium is light and shiny and resistant to corrosion cheap and malleable and strong

Question 10

steal is an alloy name the metals that make up steal

Answer 10

nickel and iron

Question 11

why do we use steal for surgical tools and not iron

Answer 11

iron rusts and isn’t as strong as steal. steal is stronger and resistant to corrosion