Structure and Properties of Matter

any substance that has a mass and takes up space.

• mass
• matter

molecules are very loosely packed and bounce around (high energy)

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

change: when matter changes into a new substance and cannot change back into its original form

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

molecules are loosely packed and slide past each other (still touch!)

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

a pure substance that cannot be broken down

• element
• group

The process in which a GAS becomes a LIQUID is called _______

• condensation
• boiling

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

SUBLIMATION is the process of matter changing from a ...

• solid to a liquid
• solid to a gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The process of a LIQUID becoming a SOLID is called _______.

• freezing
• evaporation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As matter changes from a SOLID to a LIQUID, thermal energy (heat) is _______.

• gained (added)
• removed (lost)

Tags

NGSS.MS-PS1-4

PROTONS have a ___________ charge.

• negative
• positive