Physical and Chemical Changes

What is a physical change?

• A change in a substance.

• A mixture

• A change in a state of matter

• A change where substances stays the same.

What is a chemical change?

• A change to the substance that can't be undone.

• A change to the substance that can be undone.

• A change in a substance that does not create a new substance.

• An expected color change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is melting?

• Solid-gas

• Liquid-Solid

• Solid-Liquid

• Gas-Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What are three different events to show a chemical change has occured?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are three events that occurs in a physical change?

Tags

NGSS.MS-PS1-4

Is a exothermic chemical reaction where the substance releases heat to cause the temperature to change?

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is a chemical change permanent?

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A event in a physical change is a unexpected color change.

• True

• False

Which one is not a state of matter?

• Solid

• Liquid

• Boiling

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which one is a state of matter?

• Boiling point

• Flammability

• Gas

• Luster

Tags

NGSS.MS-PS1-4