Changes in Matter Review

1. A change in matter that changes a physical property but not the substance itself is a __________________.

• physical property

• physical change

• chemical property

• chemical change

Tags

NGSS.MS-PS1-4

A mixture of salt and water has a total mass of 75 g. 15 g of salt was used to make this mixture. What was the mass of the water used?

Tags

NGSS.MS-PS1-5

A powder is stirred into a liquid which results in vigorous bubbling. What most likely happened?

• The powder chemically changed to produce a new substance.

• The powder boiled when added to the liquid,

• The atoms of the powder were destroyed when added to the liquid.

• The liquid evaporated when the powder was added to it,

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is a chemical change?

• crushing chalk

• dissolving sugar

• melting ice

• baking cookies

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

How does the law of conservation of mass apply to changes in matter?*

(there is more than one correct answer)

• Mass cannot be created or destroyed

• The total mass before a change is the same as the total mass after the change

• The total amount of mass is equal to the volume of the mass

• Changes in matter require energy, which is equal to the mass of the matter

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Substances chemically combined in a specific, unchanging combination.

• element

• compound

• heterogeneous mixture

• homogeneous mixture

Which of the following is NOT a type of matter?

• mixture

• gravity

• element

• substance

Which of the following can all matter be classified as?

• Elements and compounds

• Atoms and elements

• Forces and solutions

• Substances and mixtures

Which of the following is a substance?

• trail mix

• salt water

• table salt

• salted popcorn

Which of the following is homogeneous mixture (solution)?

• Sand and iron

• Water and food coloring

• Oil and vinegar

• A sausage pizza