Chemical Physical Changes

When water in an open pan is heated for a long time, it becomes...

• a solid

• a vacuum

• a gas

• dew

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Vinegar is an acid that bubble when it interacts with calcite.  Which mineral contains calcite? (Use the table below to answer.)

• limestone

• sandstone

• granite

• gneiss

Tags

NGSS.MS-PS1-2

A different chemical substance is formed when

• a cloth is cut

• a cup breaks

• a candle burns

• a piece of chalk falls apart

Tags

NGSS.MS-PS1-2

Which object would be most likely to rust?

• an iron nail

• a plastic comb

• a glass marble

• a paper cup

An example of a liquid turning into a gas is:

• a chocolate bar melting

• steam escaping from a cup of hot chocolate

• an ice cream cone dripping

• a stick of butter getting warm

Tags

NGSS.MS-PS1-4

If you dissolved a lot of salt in some water in a large, flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time?

• dry salt

• water with no salt

• the same salty water as before

• nothing

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Is wood burning a physical or chemical change?

• Physical 

• Chemical

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Heating a solid until it changes color and produces an odor, and noting the solid cannot be changed back is an example of

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Wood burned in a fireplace

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Baking soda and vinegar combine to make carbon dioxide

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5