WorksheetsWS 8.2 Pressure and static electricity
Total questions: 15
Worksheet time: 17mins
Mrs. Davis rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
The balloons will repel each other.
The balloons will attract each other.
The balloons will become positively (+) charged.
The balloons will pop.
Pressure in gases is a measure of:
the number of collisions per second of the particles with the side of the container.
the force of the collisions of the particles with the side of the container.
the amount of space taken up by the particles in the container.
None of the above
The pressure inside the balloon will:
Decrease
Increase
Remain the same
Not enough information to formulate an answer
The pressure of the gas in the balloon in the ice water will be:
Greater than that of the balloon in the boiling water.
Less than that of the balloon in the boiling water.
The same as that of the balloon in the boiling water.
Not enough information to answer the statement.
We can increase the pressure of a gas by:
Adding more gas.
Reduce the volume of the container.
Increase the temperature of the gas.
None of the above answers.
Almighty Allah has created an atlantic ocean that is so beautiful. The maximum depth of the Atlantic ocean is 8000 m (8.0 km). if The density of sea water is 1025 kg/m3, so the water pressure at the depth is...
8.200 kPa
82.000 kPa
8.200 Pa
82.000 Pa
The pressure of sea water at the bottom of the sea is 1.2 × 108 N m–2.
Determine the depth of the sea.
[Density of sea water = 1020 kg m–3]
1.18×104 m
1.18×105 m
1.18×106 m
1.18×109 m
