Chem Ch.3

Which of these actions cause a PHYSICAL change?

• rusting of metal pipes

• burning a log

• cooking an egg

• crushing an aluminum can

Rusting metal is an example of a ____ change.

• chemical

• phase

• state

• physical

Tags

NGSS.MS-PS1-2

Which is an example of a chemical change?

• baking a cake

• ripping paper

• stretching a rubber band

• chopping wood

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Frank found a pile of wood near a campsite, and he believed it had been chemically changed. What property did Frank most likely observe to believe this?

• the surface of the wood felt wet

• the color of the wood was black

• the wood had been chewed

• the wood had been chopped

Tags

NGSS.MS-PS1-2

Use the basic properties of solids, liquids, and gases to identify the correct state of matter in the image.

• (A) gas, (B) liquid, (C) solid

• (A) solid, (B) liquid, (C) gas

• (A) liquid, (B) solid, (C) gas

• (A) solid, (B) gas, (C) liquid

Tags

NGSS.MS-PS1-4

In physical changes, substances might change in __________ but not in __________.

• appearance, composition
• volume, state of matter
• texture, color
• weight, mass

True or False: a physical change may produce a new substance.

• True
• False

Tags

NGSS.MS-PS1-2

Which of the following is an example of a physical change?

• sugar and oxygen reacting to produce water and carbon dioxide
• honey dissolving in tea
• a raw egg being cooked
• metal rusting after being left out in the rain

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-5