Classification of Matter Study Guide

Scientific description of a solid

• Forces of attraction between the particles of a matter sample are strong and draw particles together, keeping them in place
• Forces of attraction between the particles of a matter sample are strong and draw particles together, changing their placement

• Forces of attraction between the particles of a matter sample are weak and push particles away
• Forces of attraction between the particles of a matter sample are all the same

__________ occurs when a liquid changes into a gas.

• freezing
• sublimination
• vaporization
• melting

Tags

NGSS.MS-PS1-4

___________ is the sum of all the potential and kinetic energy of an object.

• kinetic energy
• thermal energy
• potential energy
• force

In a chemical formula, the number of each type of atom in the compound is shown with numbers that are subscripts.

• True
• False
• Maybe

In a gas, when volume increases, ________ decreases.

• pressure
• nothing
• space
• force

In which state of matter there are very weak attractions between particles?

• solid
• liquid
• gas

A change in the state of matter occurs if enough _______ ________ is added or removed from an object.

• potential energy
• kinetic energy
• thermal energy

Tags

NGSS.MS-PS1-4

The measure of the average kinetic energy of the particles in a material is ________, while the result of the motion of all the particles, and the distance and attractions between those particles in the system is ________ energy.

• thermal/temperature
• temperature/thermal
• pressure/space
• space/pressure

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Ammonia has 3 Hydrogen atoms and 1 Nitrogen atom.  Which formula is correct?

• 3NH
• N1H3
• N3H1
• NH3

Tags

NGSS.MS-PS1-1

In general, nonmetals are ____ since they are composed of individual atoms or small molecules.

• solids
• liquids
• gasses

Tags

NGSS.MS-PS1-4