Conservation of Mass

The law of conservation of mass states that the total mass of the reactants will always equal the total mass of the products.

• True

• False

Tags

NGSS.MS-PS1-5

Matter is anything that takes up space and has mass. All matter is made up of tiny particles called atoms.

• True

• False

Tags

NGSS.MS-PS1-1

A chemical change is usually reversible

• True

• False

An example of a physical change is cutting a piece of paper

• True

• False

The products in a chemical change are the substances undergoing the change

• True

• False

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

The reactants in a chemical equation will always be greater than the products.

• True

• False

Tags

NGSS.MS-PS1-5

Which of the follow is NOT an example of matter

• Ice

• Air

• Light

• Water

Tags

NGSS.5-PS1-3

Which characteristic would describe a physical change? 

• This type of change is reversible

• This type of changes is usually not reversible

• This type of change creates a new substance

• This type of change includes burning a substance

During a chemical change, the substances undergoing change are called_______.

• matter

• particles

• reactants

• products

Tags

NGSS.5-PS1-4

10. The law of conservation of mass states that, in a chemical reaction, matter is never created nor ____________.

• destroyed

• reused

• recycled

• repeated

Tags

NGSS.MS-PS1-5