The principle that relates the volume and temperature of a certain amount of gas is...
What is Charles's law?
100
Common unit of pressure used by meteorologists
What is millibar?
100
The pascal is a unit of...
What is pressure?
100
What is your name?
Free points!
100
If you place a straw in a cup of water and blow across the end of the straw, this would happen to the liquid in the water
What is rise?
200
The principle that explains the phenomenon of an airplane wing producing lift.
What is Bernoulli's principle?
200
Mathematically speaking, the volume and pressure of a gas at constant temperature are _________ related
What is inversely?
200
As you increase the area on which a foce acts, the pressure exerted...
What is decreases?
200
In a hydraulic machine, the input piston has an area of 4 cm2 and the output piston has an area of 32 cm2. The output force will be _____ the input force.
What is 8 times?
200
The fan inside a vacuum cleaner has this effect on the pressure inside the vacuum
What is makes the pressure inside the vacuum lower?
300
The principle that relates the volume and pressure of a certain amount of gas is...
What is Boyle's law?
300
A value for normal atmospheric pressure at sea level
What is one atmosphere?
300
Explain why the water pressure at 50 m in the ocean will be greater than at the same depth in a freshwater lake.
What is because ocean water is more dense than lake water?
300
A 100 N concrete block resting on a 0.1 sq meter area produces _____ Pa of pressure
What is 1000 Pa?
300
As blood vessels become smaller, blood pressure...
What is decreases?
400
Give an example of Charles law
What is bicycle tires going flat in winter?
400
The change of the volume of a gas at constant pressure is related to the change of its _______ temperature
What is Kelvin?
400
The force that permits hot-air balloons to rise
What is buoyant force?
400
If you heat 2 L of air at 0 Celsius to 273 Celsius while maintaining constant pressure, its new volume will be ...
Hint: Convert to Kelvin!
What is 4 Liters?
V1/T1 = V2/T2
2L/273C = V2/546
2L*546/273 = 4L
400
One millibar is equal to _____ Pascal
What is 100 Pa?
500
The rule that allows you to determine the specific gravity of an object is...
What is Archimedes' principle?
500
The study of liquids and gases and the forces they exert
What is fluid mechanics?
500
If you quadruple the pressure on a certain amount of gas at a constant temperature, its volume will
What is decrease to one-fourth?
500
If a sample of gas is cooled from 600K to 200K at constant pressure, its volume will decrease to this amount
What is one-third of the original volume?
500
Explain why most of an iceberg is visible above water
What is because ice is less dense than water which causes the ice to float high in the water?