Solids, Liquids, Gases
Has a definite volume, but not a definite shape.
liquid
When heat is added to a liquid it becomes what?
gas
Phase change of a solid turning into a liquid
melting
What is Density?
The amount of mass per given volume
Find the density of an object that has a mass of 100g and a volume of 25 mL.
4 g/mL
Has a definite shape and volume
solid
When a gas is cooled it becomes a what?
liquid
Phase change of a solid turning into a gas
sublimation
density equal mass divided by volume
Give an example of the state of matter that is plasma
lighting, plasma tv, neon bulb etc
In what state do molecules move extremely quickly and by bouncing off each other
gas
When a liquid is cooled it becomes what?
solid
Change from a liquid to a solid
freezing
What is the density of water?
1 g/mL
Give an example of the state of matter that is gas
air, oxygen, steam etc.
Another name for the states of matter
phases of matter
What must happen for matter to change states?
must gain or lose energy
Phase change of a gas turning into a liquid
condensation
If an object has more density then the fluid its in then it will..........
sink
What is matter?
Anything that has mass and takes up space
An unusual state of matter found in neon signs
plasma
Draw/Describe the particle arrangements for a solid, liquid, and gas.
solid-tight and vibrating, liquid- moving freely, gas- moving quickly
When heat is added to a liquid and becomes a gas.
evaporation
How can you predict if an object will float or sink?
By comparing densities of object and the fluid
Name the 4 states of matter
solid, liquid, gas and plasma