Physical and Chemical Changes: Law of Conservation of Matter

Is adding sugar to a cup of tea to create a solution a chemical or physical change?

• chemical

• physical

• both

When a nail begins to rust because it has been outside too long this is an example of a _____________ change.

• chemical

• physical

• both

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Using an eraser is a ____________________ change.

• chemical

• physical

• both

Burning a log in a fire place is a ______________ change.

• chemical

• physical

• both

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The Law of Conservation of matter states that the total amount of matter ______________ after it undergoes change.

• disappears

• stays the same

• weighs less

• explodes

Tags

NGSS.MS-PS1-5

What states that matter can neither be created or destroyed?

• Newton's law of thermodynamics

• Theory of Conservation of Matter.

• Newton's 3rd Law

• Newton's 1st law

Tags

NGSS.MS-PS1-5

The Conservation of Matter (Conservation of Mass -a fundamental principle of classical physics) states that ​ (a)  

• matter can not be created or destroyed

• matter can be of no value

• matter is not perfect

Tags

NGSS.MS-PS1-5

The Law of Conservation of Matter states that

• matter can simply appear.

• matter can neither be created nor destroyed.

• matter can simply disappear.

• matter can change form between a solid, liquid, and gas.

Tags

NGSS.MS-PS1-5

This picture is an example of which chemical clue?

• temperature change

• precipitate

• smell/odor

• bubbles

Tags

NGSS.MS-PS1-2

Does this equation follow the Law of Conservation of Matter?

• Yes

• No

• Not enough information

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5