Formation of a New Substance

A CHANGE that alters (changes) the identity of a substance and results in a NEW substance with DIFFERENT properties.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Evidence of a NEW substance formed from a chemical change is...

• Production of Gas

• Production of Heat and Light

• Production of a Precipitate 

Tags

NGSS.MS-PS1-2

Evidence of a NEW substance formed from a chemical change, resulting in SOLID particles that form or separate out of a liquid is...

• Production of Heat or Light

• Production of a Precipitate

• Production of Gas

Tags

NGSS.MS-PS1-2

A student stirs two liquids together and they turn into a solid. What type of change has happened and why?

• chemical, because a change instate of matter always means a chemical change

• physical, because it was stirred

• chemical, because a new substance was formed

Tags

NGSS.MS-PS1-2

A substance made of TWO or more elements that are CHEMICALLY combined in fixed amounts is...

• Substance

• Element

• Compound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

INCREASE or DECREASE of heat energy in a substance may be evidence of a NEW substance formed during a chemical change because of...

• Color Change

• Temperature Change

• No change at all

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Striking a match is a...

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Baking cake batter into a cake is a...

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Four substances were mixed with clear liquid. The observations are recorded in the following table. Based on the observations, for which mixture is there the best evidence that a new substance was formed?

• Substance 1

• Substance 2

• Substance 3

• Substance 4

Tags

NGSS.MS-PS1-2

A student measures out 100 mL of two different clear liquids and then pours one into the other. The mixture, which has volume of 200 mL, turns bright red, then begins to become quite cold. In this process, the first evidence that a new substance had formed was observed when the...

• student measured the liquids.

• volume was seen to be 200 mL.

• color changed to bright red.

• temperature of the mixture decreased.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4