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Q 1/19
Score 0
Astronauts appear weightless while working in the International Space Station because
120
they have very little mass when in outer space.
they have gravitational attractions to the sun and moon.
there isn't any gravity in outer space.
they are in a state of free fall.
Q 2/19
Score 0
Which statement is true of all matter?
120
It has mass.
It exists only as a solid.
It can be seen.
It maintains its shape and size.
19 questions
Q.
Astronauts appear weightless while working in the International Space Station because
1
120 sec
Q.
Which statement is true of all matter?
2
120 sec
Q.
What is the volume of this solid?
3
120 sec
Q.
Imagine that the block shown is made of pure gold. If Ana cuts this block into two equal pieces, which of these statements best describes the pieces?
4
120 sec
Q.
Density is the ratio of mass to volume. This block is made of a material that has a density of 2 g/cm3. What is the mass of this block?
5
120 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?
6
120 sec
Q.
Leah used a triple-beam balance to measure the mass of a beaker of water. Which value for mass should she record in her science notebook?
7
120 sec
Q.
Kieko attached a small, metal cylinder to a spring scale and held the scale by the ring on top. She then recorded the weight of the cylinder. Which weight did Kieko record in her science notebook?
8
120 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?
9
120 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?
10
120 sec
Q.
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 below shows what happened. What conclusion can Amin draw about the two cubes?
11
120 sec
Q.
Dr. Suri placed a dog on the scale at the veterinary clinic and recorded a reading of 8 pounds. What does this reading mean?
12
120 sec
Q.
It is impossible to directly measure some properties of an object. Which of these properties cannot be measured directly?
13
120 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 100 kg and a weight of 210 pounds on Earth, what would be the mass and weight of this probe on Mars?
14
120 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?
15
120 sec
Q.
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?
16
120 sec
Q.
Uma had a piece of titanium with a mass of 18 grams. Using a graduated cylinder partly filled with water, she determined that the titanium displaced 4 milliliters of water. What is the density of titanium?
17
120 sec
Q.
Which of these statements is true?
18
120 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 weight of the object if she takes the same measurement on the moon, where the gravitational force is about one-sixth of Earth’s gravity?
