Kinetic Theory of Matter POGIL

The diagram below represents matter in the 3 common phases. Label each picture with the correct state of matter.

a

b

c

Gas

Solid

Liquid

Tags

NGSS.MS-PS1-4

Label the changes of state processes correctly

b

a

d

c

Condensation

Boiling

Feezing

Melting

Tags

NGSS.MS-PS1-4

Describe the characteristics of particles for each phase of matter based on the model shown in the diagram.

Groups:

(a) SOLID

,

(b) LIQUID

,

(c) GAS

• High kinetic energy

• Weak intermolecular forces

• Adopts the shape of the container

• High compressibility

• Weak intermolecular forces

• Low density

• No fixed shape or volume

• Randomly distributed in clusters

• Medium compressibility

• Far Apart

• Strong intermolecular forces

• Flow easily

• Low compressibility

• Indefinite shape but definite volume

• High density

• Definite shape and volume

• Fixed arrangement of particles

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which phase of matter is there the least spacing between particles? (a)  

• Solid

• Liquid

• Gas

• Plasma

Answer explanation

In solids, particles are closely packed together in a fixed arrangement, resulting in the least spacing between them. This contrasts with liquids, gases, and plasma, where particles are more spread out.

Tags

NGSS.MS-PS3-4

In which phase of matter is there the most potential for movement? (a)  

• Solid

• Liquid

• Gas

• Plasma

Answer explanation

In gases, particles are far apart and move freely at high speeds, allowing for the most potential movement. In contrast, solids have fixed positions, and liquids have more restricted movement, making gas the correct answer.

Tags

NGSS.MS-PS3-4

In which phase of matter is there the most potential for movement? (a)  

• Solid

• Liquid

• Gas

• Plasma

Answer explanation

In gases, particles are far apart and move freely, allowing for the most potential movement. In contrast, solids have fixed positions, and liquids have limited movement compared to gases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which phase of matter does not have a definite shape yet the particles will not fill the container? (a)  

• Solid

• Liquid

• Gas

• Plasma

Answer explanation

Gas does not have a definite shape and will expand to fill its container. However, in a confined space, gas particles will not fill the entire volume if the pressure is low or if there are obstacles, unlike liquids.

In terms of spacing, what is necessary to change from a solid to a liquid?

• Increase in spacing

• Decrease in spacing

• No change

• Add heat

Answer explanation

To change from a solid to a liquid, the particles must move further apart, which requires an increase in spacing. This allows the particles to overcome their fixed positions and flow, characteristic of liquids.

Tags

NGSS.MS-PS1-4

In terms of spacing, what is necessary to change from a liquid to a gas?

• Increase in spacing

• Decrease in spacing

• No change

• Add heat

Answer explanation

To change from a liquid to a gas, the particles must move further apart, which requires an increase in spacing. This allows the particles to overcome intermolecular forces and enter the gaseous state.

Tags

NGSS.MS-PS1-4

In terms of spacing, what is necessary to change from a gas to a liquid?

• Increase in spacing

• Decrease in spacing

• No change

• Add heat

Answer explanation

To change from a gas to a liquid, the particles must come closer together, which means there is a decrease in spacing. This allows the attractive forces between particles to take effect, leading to condensation.

Tags

NGSS.MS-PS1-4