Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
What are the 4 phases or states of matter?
|
solid, liquid, gas, plasma
|
|
|
Which state of matter has a definite shape and volume?
|
a solid
|
|
|
Which state of matter has a definite volume but takes the shape of its container?
|
a liquid
|
|
|
Which state of matter has no definite shape and no definite volume?
|
a gas
|
|
|
What do you call the amount of force exerted on a given area?
|
pressure
|
|
|
Boyle's Law
|
the law that states as the volume of the gas increases, its pressure decreases.
|
|
|
Charle's law
|
the law that states as the volume of the gas increases, the temperature increases
|
|
|
Which state of matter has no definite shape and is found on the sun?
|
Plasma
|
|
|
What is a change of state or phase change?
|
The conversion or change from one physical form to another.
|
|
|
Describe the phase change occurring during melting.
|
from a solid to a liquid
|
|
|
Describe the phase change occurring during freezing.
|
liquid to a solid
|
|
|
Describe the phase change occurring during vaporization.
|
liquid to a gas
2 types-- boiling and evaporation |
|
|
Describe what happens during boiling.
|
A type of vaporization that occurs throughout a liquid.
**Every particle heats up.** |
|
|
Describe what happens during evaporation
|
a type of vaporization that occuring only at the surface of a liquid
|
|
|
Describe the phase change occurring during condensation.
|
from a gas to a liquid.
(hint: think about leftovers) |
|
|
What phase change happens during sublimation?
|
From a solid directly to a gas.
Hint: dry ice |
|
|
What is the freezing point of water?
|
O degrees Celsius
|
|
|
What is the boiling point of water?
|
100 degrees Celsius
|
|
|
What is an endothermic reaction?
|
A reaction where energy is taken in. (gets cold)
|
|
|
What is an exothermic reaction?
|
A reaction where energy is given off. (gets hot)
|
|
|
What happens to the temperature of a substance undergoing a phase change?
|
The temperature stays the same until the change is complete.
|
|
|
Viscocity
|
A liquid's resistance to flow.
Honey has a high viscocity. |
