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Q 1/30
Score 0
Matthew has six cubes of different materials. Each cube has a mass of 10 grams (g). Matthew sorts the cubes into two groups using one physical property.
Which physical property did Matthew most likely use to sort the cubes into two groups?
120
Density
Electrical conductivity
Magnetism
Melting point
Q 2/30
Score 0
Density is the ratio of mass to volume. Troy listed the density of four metals at 20 °C.
If Troy has a 4-cm cube of each of these metals, which cube will have the greatest mass?
120
Iron
Lead
Gold
Brass
30 questions
Q.
Matthew has six cubes of different materials. Each cube has a mass of 10 grams (g). Matthew sorts the cubes into two groups using one physical property.
Which physical property did Matthew most likely use to sort the cubes into two groups?
1
120 sec
Q.
Density is the ratio of mass to volume. Troy listed the density of four metals at 20 °C.
If Troy has a 4-cm cube of each of these metals, which cube will have the greatest mass?
2
120 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?
3
120 sec
Q.
Emma constructed a simple motor. When connected correctly, the coil of copper wire spins.
Which of the following best describes the energy transformation that takes place between the paper clips and the spinning coil?
4
120 sec
Q.
On a sunny day, Heidi and some of her classmates are playing kickball during PE. She kicks the ball past second base, and it rolls uphill to a stop. She runs to first base, but before she gets any farther, the bell rings and everyone has to go back inside.
Which of these is an example of kinetic energy changing to potential energy?
5
120 sec
Q.
These two beakers contain the same liquid substance at the same temperature.
How does the thermal energy of the liquid in the larger beaker compare to the thermal energy of the liquid in the smaller beaker?
6
120 sec
Q.
Kito puts his spoon into a helping of fresh, hot, mashed potatoes as shown in the figure below.
Which process takes place when the two objects come together?
7
120 sec
Q.
Which of these choices best describes the temperature of a substance?
8
120 sec
Q.
Which of these choices best describes the thermal energy of a substance?
9
120 sec
Q.
An example of kinetic energy continuously being changed to potential energy and back again might be _______.
10
120 sec
Q.
The illustration below shows the locations of a rock as it rolls
down a slope.
Which location shows the rock with the greatest kinetic energy?
11
120 sec
Q.
The illustration below shows the locations of a rock as it rolls
down a slope.
Which location shows the rock with the greatest potential energy?
12
120 sec
Q.
Which is the BEST example of something that has kinetic energy?
13
120 sec
Q.
At which labeled point does the diver have the LEAST potential energy?
14
120 sec
Q.
Ashton warms a pure, solid substance. He graphs the changes in temperature over time as shown in the figure below.
What is happening as he warms the substance?
15
120 sec
Q.
On a hot summer day, the water in an outdoor swimming pool feels much warmer in the afternoon than in the morning.
How do the particles in the water change from the morning to the afternoon?
16
120 sec
Q.
As Warren holds a pan over a fire, the water begins to boil as shown in the figure below. The metal handle of the pan becomes very hot, causing an uncomfortable sensation in Warren’s hand.
What process is indicated by the letter Z?
17
120 sec
Q.
As Warren holds a pan over a fire, the water begins to boil as shown in the figure below. The metal handle of the pan becomes very hot, causing an uncomfortable sensation in Warren’s hand.
What process, indicated by the letter Y, was responsible for transferring energy to Warren’s hand?
18
120 sec
Q.
As Warren holds a pan over a fire, the water begins to boil as shown in the figure below. The metal handle of the pan becomes very hot, causing an uncomfortable sensation in Warren’s hand.
What process, indicated by the letter X, was responsible for creating currents of rising hotter water and sinking cooler water?
19
120 sec
Q.
Ashley warms a pure, solid substance. She graphs the changes in temperature as shown in the figure below.
Which process takes place during segment E?
20
120 sec
Q.
Ashley warms a pure, solid substance. She graphs the changes in temperature as shown in the figure below.
Which process takes place during segment D?
21
120 sec
Q.
Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm.
Which statement best describes what has happened?
22
120 sec
Q.
A group of sheep are grazing in a field. As they eat, the sheep break down the molecules in the grass, which releases energy.
Which form of energy is stored in the grass?
23
120 sec
Q.
Damon is a musician playing in a band. At the end of a song, he plucks a single guitar string. The string moves rapidly back and forth as shown in the figure below.
Which of these statements explains what happens to the kinetic energy of the moving string?
24
120 sec
Q.
Keisha gets four spoons made of four different materials and checks to make sure they are the same temperature. She places them into a bowl of hot water as shown in the figure below. After 2 min, she measures the temperature at the tip of each handle.
Based on Keisha’s experiment, which material is the best insulator?
25
120 sec
Q.
When a space shuttle takes off, the chemical reactions of the fuel give the shuttle the kinetic energy to leave Earth’s atmosphere as shown in the figure below.
The kinetic energy of the space shuttle is less than the potential energy of the fuel used. Which statement BEST explains this idea?
26
120 sec
Q.
Mrs. Aldaco added a room-temperature copper (Cu) cube and an aluminum (Al) cube that she just removed from the freezer to a beaker of boiling water. She left the cubes in the water for three hours.
Which of the following describes a heat flow that took place during those three hours?
27
120 sec
Q.
Vinnie places his cold drink on the roof of a hot car.
Which of the following correctly describes what happens next?
28
120 sec
Q.
Sarah heated two cubes of aluminum to 50 °C. Cube A has a volume of four cubic centimeters. Cube B has a volume of two cubic centimeters.
If the cubes do not touch each other, which of these statements is true?
29
120 sec
Q.
As energy in the form of heat is added to an ice cube, it begins to melt.
What causes melting?
