1
What happens to particle motion when thermal energy is added to a substance?
Particles speed up and move more rapidly
During the process of melting, what change occurs in the arrangement of particles?
Particles become less structured and more spread out
Which state of matter has particles that are most tightly packed together?
Solid
RANDOM
What is Mrs. Klutts Favorite Holiday?
Thanksgiving!
What happens to the volume of a gas when it is heated?
Its typically expands
What is the term for changing directly from a solid to a gas?
Sublimation
When thermal energy is removed from a substance, what typically happens to particle motion?
Particles slow down
What occurs during the process of condensation?
A gas turns into a liquid
TRIPLE POINTS!
Which factor most directly influences changes in states of matter?
Thermal Energy
During freezing, what change occurs in particle arrangement?
Particles become more tightly packed
What is the primary difference between a liquid and a gas?
Particle movement
DOUBLE POINTS!
Which process describes a liquid turning into a gas?
Evaporation
What happens to particles when a substance is heated?
They move faster
In a solid, particles are primarily characterized by:
Vibrating in fixed positions
What determines the state of matter of a substance?
Particle motion
During boiling, what is happening to the particles?
Gaining significant energy
What occurs when thermal energy is removed from a gas?
It condenses into a liquid
Which state of matter can change shape but not volume?
Liquid
What best describes particle behavior in a gas?
Moving randomly with large spaces between them
During melting, what happens to the energy of particles?
It increases
Explain how the particles move in a gas.
Rapidly and freely
Describe an example of condensation.
How does thermal energy play a role in states of matter?
Thermal energy determines a substance's state of matter by affecting the motion of its particles
DOUBLE POINTS
Random
How many elements are in the periodic table?
118
In which state of matter do particles have the most energy and movement?
Gas