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Q 1/15
Score 0
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?
30
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.
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.
Q 2/15
Score 0
The illustration below shows a rectangular solid.
What is the volume of this solid?
A. 21 cm3
B. 30 cm2
C. 60 cm2
D. 300 cm3
45
60 cm2
30 cm2
300 cm3
21 cm3
15 questions
Q.
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?
1
30 sec
Q.
The illustration below shows a rectangular solid.
What is the volume of this solid?
A. 21 cm3
B. 30 cm2
C. 60 cm2
D. 300 cm3
2
45 sec
Q.
Susie used a double-pan balance to measure the mass of an object by comparing it to a reference mass. She recorded the mass as 125 grams.
What value will Susie record for the mass of the object if she takes the same measurement on the moon, where the gravitational force is about one-sixth of Earth’s gravity?
3
45 sec
Q.
Josie partially filled a graduated cylinder with water. She then dropped a rock into the water. The illustration below shows what happened to the level of the water inside the graduated cylinder.
What is the volume of the rock?
4
45 sec
Q.
Amanda dropped a rock into a graduated cylinder containing water. The water level in the cylinder increased. Which property of the rock is this experiment designed to measure?
5
45 sec
Q.
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?
6
45 sec
Q.
Amin had two metal cubes of identical sizes. He placed cube A on one side of a pan balance and cube B on the other side of the balance. The pan that held cube B was now lower than the pan that held cube A. What conclusion can Amin draw about the two cubes?
7
45 sec
Q.
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?
8
45 sec
Q.
The gravitational force on Mars is about one-third that of Earth’s gravitational force. If a space probe has a mass of 300 kg and a weight of about 660 pounds on Earth, what would be the mass and approximate weight of this probe on Mars?
9
45 sec
Q.
The density of aluminum is 2.7 g/cm3. What is the volume of a piece of aluminum if its mass is 8.1 grams?
10
45 sec
Q.
A piece of titanium has a mass of 18 grams. Using a graduated cylinder partly filled with water, a scientist found that the titanium displaced 4 milliliters of water. What is the density of titanium?
11
45 sec
Q.
The density of a sample of gasoline is 0.70 g/cm3. What is the mass of 1 liter of this gasoline?
12
45 sec
Q.
What is the volume of a rectangular solid that is 40 centimeters long, 10 centimeters wide, and 5 centimeters high?
13
45 sec
Q.
Kavish mixes a black liquid and a clear liquid. He knows the two liquids do not mix well. Kavish allows the mixture to settle for 30 minutes.
Which of these statements is true?
14
45 sec
Q.
The two beakers shown below contain pure water.
Which of these properties is the same for the water in both beakers?
