Generation Genius: Chemical vs. Physical Changes

If two substances are mixed and a new substance is formed, what type of change is it?

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When something burns, it is a..

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Since gas is detected during the candy + soda demo, it is an example of a chemical change.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is the most reliable way to see if a new gas has formed?

• Fill up a balloon

• Flame test

• Measure temperature

• Look at it

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Milk spoiling is an example of which type of change?

• Physical change

• Chemical change

Tags

NGSS.MS-PS1-2

Placing the spoon in hot water was a physical change since the melted metal was still...

• gallium

• iron

• steel

• aluminum

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which observation(s) might be used as evidence that a chemical reaction occurred?

• Color change

• Odor change

• Properties change

• All of the above

Tags

NGSS.MS-PS1-2

Which is an example of a physical change?

• Burning wood

• Freezing water

• Rust on a car

• Cooking food

Tags

NGSS.5-PS1-4

Which is an example of a chemical change?

• Burning wood

• Rust on a car

• Cooking food

• All of the above

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

________ result(s) in no new substances.

• A physical change

• A chemical change

• Physical and chemical changes

• None of the above

Tags

NGSS.MS-PS1-4