Chemical Changes and Reactions

A substance that undergoes a(n) _____ change becomes a new kind of substance.

• Chemical
• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical change always involves one or more

• Chemical Reactions
• Chemical properties
• States of matter
• All are correct.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An example of a property that could change only if a chemical change occurs is

• Size
• Shape
• Volume
• Flammability

Tags

NGSS.MS-PS1-2

True or false: Ice melting is an example of a chemical change in matter.

• False
• True

Tags

NGSS.MS-PS1-4

True of False. Methane burning is an example of a chemical change.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Signs that a chemical change has occurred include

• a change in color
• the release of bubbles
• the production of an odor
• all are correct.

Tags

NGSS.MS-PS1-2

All of the following are chemical changes except

• iron rusting
• ice cubes melting
• pennies tarnishing
• food spoiling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

True or false: The production of a loud sound may be a sign that a chemical change has occurred.

• True
• False

Tags

NGSS.MS-PS1-2