Scheduled maintenance: Saturday, March 6 from 3–4 PM PST
Upgrade to remove ads
Only $2.99/month

Physical Science/ Unit 4 Section 3.1

Terms in this set (26)

matter is made of atoms and molecules
kinetic theory
higher temperature.....
faster the particles move
same temperature...........
more massive particls move; slower than less ones
How can you classify matter?
solid, liquid, or a gas
The structure of a solid is more _________, and the particles cannot easily change position.
rigid
The particles are held closely together by strong ________ and they __________ _____ __________.
attractions; vibrate in place
Solids have a definite ___________ and ___________.
shapes and volume
The particles in a liquid move more _____________ than the particles in a solid do.
rapidly
Liquids take the _________ of their ______________.
shape; containers
Although liquids change ________ they do not change _______________.
shape; volume
Gases do not have __________ shapes.
fixed
Gases can change their ________.
volume
The particles of gases move fast enough and this allows gas to ____________ and fill the space.
expand
Because the particles in liquids and gases can move past each other, liquids and gases are said to be _________.
fluids
How much of the universe is made of Plasma and what does that consist of?
99% & sun and other stars made of plasma
Particles in plasma are electrically ________ or ________.
charged or ionized
List some examples of natural plasmas:
lightning, fire, and aurora borealis
List some examples of artificial plasmas:
passing electric currents through gases
Plasmas and gases are similar except that plasmas _______________________ and gases do not.
conduct electric currents
is the ability to change or move matter, or to do work
energy
Because all particles are in motion, all particles of matter have __________ ____________.
kinetic energy
is a measure of the average kinetic energy of the particles in an object
temperature
The more ___________ _________ particles of an object have, the higher the temperature of the object.
kinetic energy
total kinetic energy of the particles that makeup a substance
thermal energy
What factor you look at to determine how much thermal energy a substance may have?
Total kinetic energy depends on the number of particles in substance.
The substance with more ___________ will have more particles.
liquid
YOU MIGHT ALSO LIKE...