Chemical vs Physical Change

Which of the following means a new substance has been formed?

• Solid becomes liquid

• Substance changes color

• Solid dissolves to liquid

• Volume increases

Tags

NGSS.MS-PS1-2

Which shows a new substance is produced?

• tablets dissolve

• water becomes cloudy

• water level increases

• bubbles are given off

Tags

NGSS.MS-PS1-2

Which is NOT a chemical change?

• ice melting

• egg frying

• nail rusting

• match buring

Tags

NGSS.MS-PS1-2

If a teacher mixes vinegar and milk together, which of the following a correct statement?

• chemical change that produces a precipitate

• physical change that creates a new substance

• physical combination creates a solid

• two liquid start to corrode

Tags

NGSS.MS-PS1-2

Why is ice melting NOT a chemical change?

• Water and ice are both cold

• water and ice are both wet

• Water and ice are made of the same molecules

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

If you make a cake, which step is a Chemical Change?

• Mix spices in sauce

• put cheese on the dough

• slice pepperoni

• baking dough to form a crust

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

Which state of matter occurs with the formation of a precipitate?

• Solid

• Gas

• Liquid

Tags

NGSS.MS-PS1-2

Which occurs during a physical change?

• Gas bubbles

• Precipitate forms

• New substance forms

• The shape changes

Tags

NGSS.MS-PS1-4

True or false? A change in color, change in temperature, and formation of gas are chemical changes.

• True

• False

Tags

NGSS.MS-PS1-2

Which is a chemical change of water?

• Ice melting to liquid water

• Boiling to form vapor

• Freezing water to form ice

• Change to individual hydrogen and oxygen molecules

Tags

NGSS.MS-PS1-2