The ________ also happens and is called deposition or desublimation.
New cards
2
Liquids
________ also have a fixed volume but take the shape of the container.
New cards
3
solid changes
Melting is when a(n) ________ into a liquid.
New cards
4
Evaporation
________ occurs only at the surface of liquids where high energy particles can escape from the liquid's surface at low temperatures, below the b.p.
New cards
5
reverse
This is the ________ of melting and occurs at exactly the same temperature as melting, hence the melting point and freezing point of a pure substance are the same.
New cards
6
Zig Zag
The particles follow a(n) ________ path because they are being struck by tiny invisible particles.
New cards
7
Condensation
________ occurs when a gas changes into a liquid on cooling and it takes place over a range of temperatures.
New cards
8
significant decrease
Requires a(n) ________ in temperature (or loss of thermal energy) and occurs at a specific temperature.
New cards
9
low density
Gases have a very ________.
New cards
10
regular pattern
The particles are packed very closely together in a fixed and ________.
New cards
11
gaseous particles
The pressure that a gas creates inside a closed container is produced by the ________ hitting the inside walls of the container.
New cards
12
thermal energy
When substances are heated, the particles absorb ________ which is converted into kinetic energy.
New cards
13
kinetic energy of particle
Increase in temperature= increase in ________= increase in movement of particles.
New cards
14
Evaporation
________ occurs when a liquid changes into a gas and occurs over a range of temperatures.
New cards
15
Gaseous particles
________ are in constant and random motion.
New cards
16
He saw particles from the pollen jiggling around, They were not alive
so why were they moving
New cards
17
The color spreads through the water, because the particles leave the solid crystal
Studied by 2 people
Note 
Flashcard (59)