CI Investigation 3 Question Preview (ID: 45998)
Particles, Compression, Expansion.
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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) Particles are spaced far apart.
b) Particles are constantly moving.
c) Shape depends on container.
d) Sample does not take the shape of the container.
Which answer choice is not an example of a chemical change?
a) gas formation
b) precipitate formation
c) change in temperature
d) density change
When air is compressed, it takes up
a) less volume.
b) more volume.
c) the same volume.
d) no volume.
Air, and all other substances, are composed of
a) solids
b) liquids
c) mass
d) particles
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) Compressed particles have more collisions, causing the particles to have more kinetic energy than particles that are expanded
c) Expanded particles have more collisions, which means they spread out more and greater energy.
d) When particles expand, they will take up the space in the room. Compressed particles will not take up much space.
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 get smaller and move closer or further apart.
d) The particles change size and move closer together.
Particles in solids are
a) tightly bonded and vibrate in place, and take up a definite volume and shape.
b) loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
c) not bonded and can flow past each other, and do not take up a definite volume or space.
d) none of these correctly explains a solid
Particles in liquids are
a) tightly bonded and vibrate in place, and take up a definite volume and shape.
b) loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
c) not bonded and can flow past each other, and do not take up a definite volume or space.
d) none of these correctly explains a liquid
Particles in gases are
a) tightly bonded and vibrate in place, and take up a definite volume and shape.
b) loosely bonded and can flow past each other, and take up a definite volume but not definite shape.
c) not bonded and can flow past each other, and do not take up a definite volume or space.
d) none of these correctly explains a gas
Which combination can be compressed?
a) solids and liquids
b) liquids and gases
c) gases and solids
d) gases only
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