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CI Investigation 3
Test Description: Particles, compression, expansion
Instructions: Answer all questions to get your test result.
1) Jada and Brian are using a Venn diagram to organize the information they learned about solids, liquids and gases. What should they write in the spot where all three circles overlap?
A
Shape depends on container.
B
Particles are constantly moving.
C
Sample does not take the shape of the container.
D
Particles are spaced far apart.
2) Which answer choice is not an example of a chemical change?
A
gas formation
B
change in temperature
C
density change
D
precipitate formation
3) When air is compressed, it takes up
A
no volume.
B
the same volume.
C
less volume.
D
more volume.
4) Air, and all other substances, are composed of
A
solids
B
particles
C
liquids
D
mass
5) You want to understand what happens to substances when their particles are expanded and compressed. You compress a syringe full of air, and expand another. Which explanation best describes the differences in the particles?
A
Compressed and expanded substances have equal collisions, so the particles move at the same speed but at different distances
B
When particles expand, they will take up the space in the room. Compressed particles will not take up much space.
C
Compressed particles have more collisions, causing the particles to have more kinetic energy than particles that are expanded
D
Expanded particles have more collisions, which means they spread out more and greater energy.
6) When particles are expanded or compressed, which of the following happens?
A
The particles change size.
B
The particle size stays the same, they just move closer or further apart.
C
The particles change size and move closer together.
D
The particles get smaller and move closer or further apart.
7) Particles in solids are
A
none of these correctly explains a solid
B
loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
C
tightly bonded and vibrate in place, and take up a definite volume and shape.
D
not bonded and can flow past each other, and do not take up a definite volume or space.
8) Particles in liquids are
A
not bonded and can flow past each other, and do not take up a definite volume or space.
B
none of these correctly explains a liquid
C
loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
D
tightly bonded and vibrate in place, and take up a definite volume and shape.
9) Particles in gases are
A
none of these correctly explains a gas
B
loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
C
tightly bonded and vibrate in place, and take up a definite volume and shape.
D
not bonded and can flow past each other, and do not take up a definite volume or space.
10) Which combination can be compressed?
A
gases only
B
liquids and gases
C
gases and solids
D
solids and liquids
*select an answer for all questions
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