Unit 1, Intro to Chemistry: Review and Practice

What state of matter is represented by the image?

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state of matter is represented by the image?

• Solid

• Liquid

• Gas

What state of matter is represented by the image?

• Solid

• Liquid

• Gas

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Based on the heating curve, what chemical is being heated?

• Water

• Lead

• Ethanol

• Iodine

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Based on the heating curve, what letter indicates the chemical was melting?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Based on the heating curve, what letter indicates the chemical was boiling?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

Based on the heating curve, what do the flat lines or "plateaus" indicate?

• The substance is changing phase

• The substance is chemically reacting

• The substance is no longer being heated

• The substance is getting colder

Tags

NGSS.MS-PS1-4

Based on the heating curve, what letter depicts the substance in a liquid phase getting warmer?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

Based on the heating curve, what letter depicts the substance in a gas phase getting warmer?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If this graph was instead a cooling curve, which letter would represent the substance condensing?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4