Physical and Chemical Changes

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

• True
• False

Choose the best description below for the image

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Choose the best description below for the image

• physical change

• chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• chemical change

• physical change

• elemental change

Tags

NGSS.MS-PS1-4

Physical properties are

• properties that can be observed without changing the identity of the substance
• properties that describe how a substance changes into a completely different substance

Which use of iron is due to its chemical properties? 

• producing colored sparks in fireworks

• changing from liquid to gas at 2,862°C

• conducting electricity and heat

• changing from solid to liquid if heated to 1,538°C

1) True or False: Intensive Properties change as the amount of substance changes.

• True

• False

Flammability - how easily something combusts

• chemical property

• intensive physical property

• extensive physical property

Freezing point - the temperature at which a substance changes from a liquid to a solid

• chemical property

• intensive physical property

• extensive physical property

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

This bullseye demonstrates...

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision