Unit 1 Learning Checkpoint 1

Unit 1 Learning Checkpoint 1

13 Qs

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Unit 1 Learning Checkpoint 1

Unit 1 Learning Checkpoint 1

Assessment

Quiz

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Created by

Elizabeth Renteria

Used 3+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The figure represents a solid block of copper metal in a beaker at 30 degrees C. Which of the following best represents the particle arrangement as a student tips the beaker, which is kept at 30 degrees C.
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Media Image
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2.

OPEN ENDED QUESTION

30 sec • Ungraded

Media Image
Each of three containers contains a solid, a liquid, or a gaseous substance. One particle of each substance is represented in the diagrams. The arrows show the relative movement of the particles. Based on the movement of the particles, label each diagram with either SOLID, LIQUID, or GAS. Write for Example: Diagram 1-?? Diagram 2-?? Diagram 3-??

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student fills two syringes: one with air and the other with an equal volume of water. After capping the syringes, the student applies the same amount of pressure to the plungers and records observations about the change in volume.Based on the particle model of matter, which of the following statements best explains the student’s observations that the volume of the gas decreases greatly but the volume of the liquid does not change noticeably?
Gases expand to fill their containers but liquids do not because particles of gases are free to move but particles of liquids are fixed in position.
Gases take the shape of their containers but liquids do not because gas particles have the ability to flow but liquid particles do not.
Gases can have larger changes in volume than liquids can because gas particles expand and contract but liquid particles do not.
Gases are more readily compressed than liquids are because there is more space between the particles in a gas than in a liquid.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Four containers of gas are represented in the diagram. Based on information in the model, in which container are the molecules most likely to have the highest average kinetic energy?
Container A
Container B
Container C
Container D

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
A student has drawn this model and says it shows what happens when a liquid changes to a gas. The diagram can best be used to illustrate which of the following?
Liquids have the ability to flow.
The density of a gas is less than that of a liquid.
When a liquid vaporizes, its mass and volume increase.
The average size of the particles increases when the temperature increases.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The diagrams show two forms of the same substance, form X and form Z , that differ in the arrangement of their particles. Which of the following statements about the relative densities of the two forms is correct?
Form X is more dense because the material is more ordered.
Form Z is more dense because the mass of form Z is greater than the mass of the same volume of form X .
The densities are the same because the mass and volume of forms X and Z are the same.
The densities are the same because forms X and Z are made of the same type of particle.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following explains the observation that, for the same substance, the density of a gas is much less than the density of a solid?
Particles of gases are free to move around, but particles of solids are fixed in position.
A given number of gas particles will have a smaller mass than the same number of solid particles.
Samples of gases have volumes that are smaller than samples of solids of equal mass.
The average distance between particles in a gas is larger than the average distance between particles in a solid.

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