Chemical and Physical Changes

Which of the following is NOT a characteristic of a physical property?

• Can be observed with senses

• Changes matter into a new substance

• Can be determined without destroying matter

• Includes properties like color and hardness

When a substance reacts with something else and forms a new substance, this is an example of:

• A physical property

• A chemical property

• A physical change

• Both a and b

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is evidence that a chemical change has occurred?

• Ice melting

• Production of an odor

• Paper being crumpled

• Water evaporating

Tags

NGSS.MS-PS1-2

Production of heat or light is evidence that a chemical change may have occurred.

• True

• False

Tags

NGSS.MS-PS1-2

Chemical changes can be easily reversed by physical changes.

• True

• False

A physical change always results in the formation of a new substance.

• True

• False

Tags

NGSS.MS-PS1-4

Match the following changes with their correct classification (Physical or Chemical): NaCl dissolving in water

Tags

NGSS.MS-PS1-4

Match the following changes with their correct classification (Physical or Chemical): Silver tarnishing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Match the following changes with their correct classification (Physical or Chemical): Ice melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Match the following changes with their correct classification (Physical or Chemical): Wood rotting

Tags

NGSS.MS-PS1-2