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Fluids and Dynamics - Section 7.2 Quiz
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The following picture is of a part of the goat river near Creston, B.C.
The water in the river in the river has a high flow rate. Imagine that the water was replaced with pancake syrup. Considering a pancake syrup river compared to a water river, which of the following statements is correct?
A pancake syrup river would have a lower flow rate, and a higher viscosity.
A pancake syrup river would have a lower flow rate, and lower viscosity.
A pancake syrup river would have a higher flow rate, and lower viscosity.
A pancake syrup river would have a higher flow rate, and a higher viscosity.
Which of the following has the ability to flow?
Liquids and gases
Liquids only
Gases only
Solids only
Which of the following is a correct description for density?
The amount of mass in a given volume.
The amount of volume in a given mass.
The amount of mass in a given area.
The amount of area in a given mass.
When making candy, hot liquid sugar is cooled, eventually turning into solid sugar (candy). Which of the following statements about making candy is true?
When liquid sugar is cooled, the particles of sugar move closer together, and the sugar becomes more dense.
When liquid sugar is cooled, the particles of sugar move farther apart, and the sugar becomes more dense.
When liquid sugar is cooled, the particles of sugar move farther apart, and the sugar becomes less dense.
When liquid sugar is cooled, the particles of sugar move closer together, and the sugar becomes less dense.
Use the following chart and information to answer the next 4 questions.
Based on the density information in the chart, which of the following statements is true?
A chunk of lead will float in a beaker of mercury.
A chunk of gold will float in a beaker of mercury.
A chunk of nickel will sink in a beaker of mercury.
A chunk of copper will sink in a beaker of mercury.
Machine oil, glycerol, water and alcohol are placed in a beaker. Which of the following represents the proper order that the four substances would layer in the beaker, from top to bottom?
Alcohol, oil, water, glycerol.
Glycerol, water, oil, alcohol.
Water, alcohol, oil, glycerol.
Oil, alcohol, water, glycerol.
Four balloons are each filled with a different gas. The four balloons are filled equally with hydrogen, helium, oxygen and carbon dioxide. Which of the following balloons would rise in air?
The hydrogen and helium balloons.
The oxygen and carbon dioxide balloons.
The oxygen and helium balloons.
The carbon dioxide and hydrogen balloons.
A student carefully measures 2000 ml of a substance. The mass of the substance is measured to be 2060 g. What is the identity of the substance?
Seawater
Water
Glycerol
Machine oil
A mystery substance has a mass of 440 g, and a volume of 480 ml. What is the density of the substance?
0.917 g/ml
1.09 g/ml
40.0 g/ml
2.11 g/ml
A mystery substance has a mass of 225 g, and a volume of 201 ml. What is the density of the substance? Considering that water has a density of 1.00 g/ml, would the mystery substance float on water?
