Kinetic Molecular Theory Quiz

What is the fundamental idea behind the Kinetic Molecular Theory?

• Particles of matter are stationary.

• Particles of matter are always in motion.

• Particles of matter are only active in gases.

• Particles of matter can disappear and reappear.

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NGSS.MS-PS3-4

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NGSS.MS-PS3-5

According to the Kinetic Molecular Theory, how do solid particles behave?

• They glide past one another.

• They are in constant motion.

• They vibrate around a fixed point.

• They expand indefinitely.

How do liquid particles behave as per the Kinetic Molecular Theory?

• They vibrate around a fixed point.

• They are in constant motion.

• They glide past one another.

• They compress under pressure.

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NGSS.MS-PS1-4

What is the behavior of gas particles according to the Kinetic Molecular Theory?

• They vibrate around a fixed point.

• They are stationary.

• They glide past one another.

• They are in constant motion.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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Which state of matter is represented by particles closely packed in a fixed position?

• Liquid

• Gas

• Solid

• Plasma

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NGSS.MS-PS1-4

According to the Kinetic Molecular Theory, what does an ideal gas represent?

• A real gas under normal conditions

• A hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory

• A liquid that behaves like a gas

• A solid that can expand infinitely

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NGSS.HS-PS3-2

Which state of matter is depicted with particles that are spaced apart and move freely?

• Solid

• Liquid

• Gas

• Plasma

According to the Kinetic Molecular Theory, what is true about the interaction between gas particles?

• Gas particles attract each other strongly.

• Gas particles do not attract or repel each other.

• Gas particles repel each other strongly.

• Gas particles only attract each other at high temperatures.

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NGSS.MS-PS2-5

What assumption does the Kinetic Molecular Theory make about the size of gas particles relative to the distances between them?

• Gas particles are much larger than the distances between them.

• Gas particles and the distances between them are about the same.

• Gas particles are much smaller than the distances between them.

• The size of gas particles is irrelevant to the distances between them.

How do gas particles move according to the Kinetic Molecular Theory?

• In a linear, directed motion.

• Only when influenced by an external force.

• In constant, random motion.

• In a circular, repetitive pattern.