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Year 11 Science sample

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Question 1 of 5 Observing and measuring

A forestry team walking a coupe boundary north of Hobart sights a trig point on the summit. The compass needle settles on 60 degrees. Their map is drawn against true north. What bearing should the leading hand write on the map?

Magnetic variation printed on the map
PlaceVariation
Darwin4 degrees east
Adelaide8 degrees east
Brisbane11 degrees east
Hobart15 degrees east
Question 2 of 5 Life and living

A netball umpire wears a monitor that counts the beats and measures the total volume of blood leaving the heart each minute. How much blood does the heart push out with a single beat while the umpire is controlling a full game on a hot afternoon?

Monitor readings from one session
ReadingSitting stillWorking hard
Beats each minute60180
Litres leaving the heart each minute4.219.8
Question 3 of 5 Observing and measuring

A scrap yard clerk is sorting an unlabelled offcut before it is priced. On the balance the offcut reads 275.5 g. Lowered into a measuring cylinder, it lifts the water level from 80 mL to 115 mL. What is it made of?

Density of some common metals
MetalGrams per cubic centimetre
Aluminium2.70
Titanium4.51
Zinc7.14
Iron7.87
Copper8.96
Lead11.34
Question 4 of 5 Predicting and concluding

A dive team surveying a flooded quarry watches a bubble of gas breaking free of the mud below at a depth of 20 m. Down there the bubble holds 8 mL. The water is the same temperature all the way up. How big is the bubble as it reaches the surface?

The bubble at depth and at the surfacewater surfaceQuarry bottombubble herebubble heredepth 20 mholds 8 mL down thereThe drawing shows where the bubble starts and ends, not how much it grows.
Question 5 of 5 Energy and change

A station hand at a stock bore on a dry inland run has to fill a tank on a stand, so the troughs are full before the cattle come in. What is the smallest power the pump motor can have and still do it in the time allowed?

What the job asks of the pump
DetailFigure
Water to be lifted1200 litres
Height of the tank stand5 m
Time allowed4 minutes
Mass of one litre of water1 kg
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