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WorksheetsUnit 4: Topic 2 - Mass, Volume, Density Pretest
Total questions: 15
Worksheet time: 30mins
The density of a substance equals its mass divided by its volume. Talia listed the density of some common materials at 20 ◦C. If Talia has 10 grams of each material, which material has the greatest volume?
Gasoline
Mercury
Milk
Water
Imagine that the block shown below is made of pure gold. If Ana cuts this block into two equal pieces, which of these statements best describes the pieces?
The mass of each piece is the same as that of the original block
The weight of each piece is the same as that of the original block
The density of each piece is the same as that of the original block
The volume of each piece is the same as that of the original block
Julio measured the mass of a small rock as 11.0 grams. Then he measured the volume of the rock as shown in the illustration below. What is the density of Julio’s rock?
1.1 g/cm3
2.2 g/cm3
5 g/cm3
11 g/cm3
Amin had two metal cubes of identical sizes. He placed the first cube on one side of a pan balance and the second cube on the other side of the balance. The illustration shows what happened. What conclusion can Amin draw about the two cubes?
The weights of the cubes are the same
The volumes of the cubes are different
The masses of the two cubes are the same
The densities of the two cubes are different
Amin had two metal cubes of identical sizes. He placed the first cube on one side of a pan balance and the second cube on the other side of the balance. The illustration shows what happened. What is the volume of each cube?
125 cm3
25 cm3
15 cm3
5 cm3
6. It is impossible to directly measure some properties of an object. Which of these properties cannot be measured directly?
Density
Mass
Volume
Weight
When a helium balloon rises in the air, it expands. If the volume of the balloon doubles, what happens to the density of the helium inside it?
The density triples
The density doubles
The density stays the same
The density decreases by half
Paul placed an ice cube into a beaker on a hot plate. The ice cube changed from a solid to a liquid and then to a gas. During this process, which property of the ice cube remained unchanged?
Density
Mass
Temperature
Volume
Which statement best describes volume?
The measure of the amount of matter in an object
The measure of the amount of matter in a given space
The measure of the amount of space that an object occupies
The measure of the amount of pull exerted on an object by a gravitational field
Matt has a blue balloon and a red balloon that are the same volume but filled with different gases. The red balloon floats in air, but the blue balloon does not float in air. How does the density of the gas in the balloons compare to the density of the surrounding air?
The gases in both balloons are less dense than air
The gas in the red balloon is less dense that the air and the gas in the blue balloon is more dense than air
The gas in the blue balloon is less dense than the air and the gas in the red balloon is more dense than air
The gases in both balloons have the same density as the air
Which statement is true of all matter?
It has mass
it can be seen
it exists only as a solid
it maintains its shape and size
A metal coin has certain properties that can be measured. Which property of a coin is different on the moon than it is on Earth?
Density
Mass
Volume
Weight
A student determines the volume, density, and boiling point of three colorless liquids and lists them in the table below. Could any of the liquids be made of the same substance and why?
Liquids 1 and 2 could be the same substance because they have the same density
Liquids 1 and 3 could be the same substance because they have the same volume
Liquids 1, 2, and 3 could be the same substance because they are all clear liquids
None of the liquids could be the same substance because the have different combinations of density, boiling point, and color
Cathy designs an experiment to investigate how well cups made of different materials maintain the temperature of a cold drink. Which step will increase the accuracy and validity of Cathy’s results?
Use a different beverage in each cup
Conduct the experiment in a cool room
Conduct multiple trials and have another scientist repeat the experiment
Analyze the experimental results and organize experimental data in a table
Clara tests a hypothesis that the heavier of two materials will insulate cold drinks better than the lighterweight material. She adds equal volumes of the same cold beverage to two cups. One cup is made of lightweight plastic foam, and the other cup is made of a heavier, ceramic material. She records her results in a chart. How are these experimental results valuable to Clara?
The results explain why the materials perform differently
Clara can use the results to form a new hypothesis and plan a new experiment
Clara can use a different heavier material to see if she obtains different results
The results can be communicated with others through newspapers, magazines, and the Internet to increase the validity of her results
