During A to B what phase of matter is the substance?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

From B to C, a solid is changing to a liquid. Is heat being added or taken away during this time?

• Added

• Taken away

Tags

NGSS.MS-PS1-4

From D to E, a liquid is being changed to a gas. Is heat being added or taken away during this time?

• Added

• Taken away

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

From E to F, what phase of matter is the substance?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Where is melting occurring?

• A

• B

• D

• E

Tags

NGSS.MS-PS1-4

Where is vaporization occurring?

• A

• B

• D

• E

Tags

NGSS.MS-PS1-4

When CH₃OH is dissolved in water, how many particles are in solution for each unit?

• 1

• 3

• 4

• 5

• 6

When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?

• 1

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-2

When magnesium chloride (MgCl₂) is dissolved in water, how many particles are in solution for each unit?

• 1

• 2

• 3

• 4

• 6

When ethanol (CH₃H₂OH) is dissolved in water, how many particles are in solution for each unit?

• 1

• 2

• 3

• 4

• 6