U1V2 Properties Of Matter

Matter is not created nor destroyed in any chemical or physical change. What is this principle called?

• Law of Conservation of Matter

• Chemical Change

• Law of Definite Proportions

• Physical Change

Tags

NGSS.MS-PS1-5

What is the term for the temperature at which liquid begins vaporizing and changing to a gas?

• density

• volume

• boiling point

• solubility

Tags

NGSS.MS-PS1-4

Physical property that compares the mass of a substance per unit of volume.

The temperature at which liquid begins vaporizing and changing to a gas.

Tags

NGSS.MS-PS1-4

A characteristic that describes how a substance will interact with other substances during a chemical reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction that occurs when oxygen combines with another substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Term: Solubility. Which of the following best defines solubility?

• The amount of space an object takes up. LxWxH

• The temperature at which liquid begins vaporizing and changing to a gas.

• A measure of how well a solute dissolves in a solvent.

• Physical property that compares the mass of a substance per unit of volume

Definition: the process by which new substances are formed during a chemical change. Signs include: formation of a gas, change in color, released heat & emission of light. What is this process called?

• Solubility

• Combustion reaction

• Chemical change

• Chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A characteristic of a pure substance that can be observed or measured without changing it into another substance. Example: Mass, volume, shape, size, color, luster, hardness, etc.

______ alters the physical properties of a substance without changing the identity of the substance.

Tags

NGSS.MS-PS1-4