Posadas-Particles in Matter

What is the state of matter in which particles are tightly packed together and have a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

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DOK Level 1: Recall

Which of the following best describes the particles in a gas?

• They are tightly packed and vibrate in place.

• They are close together but can move past one another.

• They are far apart and move freely.

• They are arranged in a regular pattern.

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DOK Level 1: Recall

Explain how the particles in a balloon filled with air are arranged and how they move.

• The particles are tightly packed and vibrate in place.

• The particles are close together but can slide past each other.

• The particles are far apart and move quickly in all directions.

• The particles are arranged in a regular pattern and move slowly.

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DOK Level 2: Skill/Concept

Describe what happens to the particles of a liquid as it changes to a gas.

• The particles move closer together and slow down.

• The particles move farther apart and speed up.

• The particles stay the same distance apart but move faster.

• The particles form a regular pattern and stop moving.

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DOK Level 2: Skill/Concept

A student observes that a puddle of water disappears after a sunny day. Which process explains this observation?

• Freezing

• Condensation

• Evaporation

• Sublimation

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DOK Level 1: Recall

How does the particle theory explain the fact that gases can be compressed more easily than solids or liquids?

• Gas particles are in a fixed position and cannot move.

• Gas particles are far apart and can be pushed closer together.

• Gas particles are tightly packed and cannot be compressed.

• Gas particles are arranged in a regular pattern.

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DOK Level 2: Skill/Concept

Design an experiment to demonstrate that air is made up of particles that are too small to be seen. Describe the materials you would use and the steps you would take.

• Use a balloon, a pump, and a scale. Inflate the balloon with air using the pump and measure its weight before and after inflation.

• Use a balloon, a pump, and a thermometer. Inflate the balloon with air using the pump and measure the temperature before and after inflation.

• Use a balloon, a pump, and a ruler. Inflate the balloon with air using the pump and measure its circumference before and after inflation.

• Use a balloon, a pump, and a stopwatch. Inflate the balloon with air using the pump and measure the time it takes to inflate.

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DOK Level 3: Strategic Thinking

Identify the particles.

• solid

• liquid

• gas

• none

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NGSS.5-PS1-1

Liquids have a -

• no volume

• no fixed shape and does not change to fit in container

• fixed/definite volume, but changes shape to fit the container

• no volume and no definite shape

Gases have-

• Fixed shape and fixed volume

• no fixed shape and no volume

• definite shape

• definite volume, no definite shape

Tags

NGSS.MS-ESS2-5

NGSS.MS-PS1-4