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WorksheetsL3 Scientific principles part 2
Total questions: 15
Worksheet time: 8mins
Air has a relative density of?
0.5
1
1.5
2
With a downward pressure of 1000kPa and a head of 100m, what would be the approximate pressure in bar?
100 bar
50 bar
10 bar
1 bar.
A change of state may occur when water is heated to:
25 0C
50 0C
75 0C
100 0C.
absolute zero is?
-27 Celsius or 0 Kelvin
-273 Celsius or 0 Kelvin
-73 Celsius or 0 Kelvin
-283 Celsius or 0 Kelvin
To calculate the volume of liquid you use?
Length x width x height x 1000
Length x width x height x 100
Length x width x height x 10
Length x width x 1000
Water is at it's most Dense at?
0
4
10
100
When water turns to steam it expands by?
160 times
1600 times
10%
4%
If gravity is the only force acting on an object, then the object will accelerate at a rate of?
10m/s2
9.81m/s2
9.8m/s2
9.81m/s3
50 metres head is equal too?
5 bar
0.5 bar
1 bar
50 bar
When water freezes it expands by?
160 times
1600 times
10%
4%
The SI unit for mass is?
KG
Metre
Celsius
Kelvin
What is the freezing point of water at sea level?
100 0C
75 0C
25 0C
0 0C.
The PH for pure water is?
1
7
9
0
What is sensible heat?
sensible heat is any heat that causes a change in of state.
sensible heat is any heat that causes a change in temperature with a change of state.
sensible heat is any heat that causes a change in temperature without a change of state.
sensible heat is any heat that causes a change in state without a change of temperature.
The process where water (or any fluid) can be drawn upwards through small gaps, against the action of gravity is?
cohesion
adhesion
Capillary attraction
surface tension
