SPS5 Review States of Matter

Match the following states of matter with their characteristics.

• Has a definite volume but takes the shape of its container, with particles close together but not in a fixed position.

• Liquid

• Has a fixed shape and volume, with particles tightly packed in a regular pattern and vibrating in fixed positions.

• Plasma

• Has neither a fixed shape nor a fixed volume, with particles far apart and moving freely.

• Solid

• Consists of highly charged particles with extremely high energy, found in stars.

• Gas

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Which state of matter has no fixed shape or volume, and its particles are far apart and move freely in all directions?

• Gas

• Solid

• Liquid

• Plasma

The state of matter with the strongest intermolecular forces is (a)  

• Solid
• Liquid
• Gas
• Plasma

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Fill in the blank: In solids, particles have the _______ kinetic energy compared to other states of matter.

• least

• most

• same

• average

Structure Question: Why can liquids flow but solids cannot?

• Because the particles in liquids can move past each other, while in solids they are fixed in place.

• Because liquids are heavier than solids.

• Because solids have more energy than liquids.

• Because liquids have a definite shape.

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What allows gases to be compressed?

• The large spaces between particles

• The strong attraction between particles

• The fixed shape of gases

• The high density of gases

Plasma conducts electricity because:

• it contains free electrons and ions that move and carry charge.

• it is a solid with fixed ions.

• it has no charged particles.

• it is an insulator.

Particle movement varies by state in which of the following ways?

• Particles move fastest in solids, slower in liquids, and slowest in gases.

• Particles move fastest in gases, slower in liquids, and slowest in solids.

• Particles move at the same speed in all states.

• Particles do not move in any state.

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Motion Question: Why does temperature affect state of matter?

• Because temperature changes the amount of energy in particles, causing them to move differently.

• Because temperature changes the color of matter.

• Because temperature changes the shape of the container.

• Because temperature changes the size of atoms.

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Energy is related to particle motion because:

• It causes particles to move faster or slower.

• It changes the color of particles.

• It increases the size of particles.

• It makes particles disappear.

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