Vocab
Vocab
Changes in Matter
Changes in Matter
Everything Else :)
100
phase of matter that has no definite shape or volume and the molecules have the most motion
Gas
100
the phase of matter where molecules are most closely attracted to each other
Solid
100
when matter changes in shape, size, or state, but remains the same substance
Physical Change
100
How do living things get energy
by the food that they eat
100
Are molecules constantly moving?
yes
200
cloth
fabric
200
the temperature at which a liquid becomes solid
freezing point
200
When matter changes into a new or different substance
Chemical Change
200
How do non-living things get their food?
Sun, wind, and rain
200
How do scientists decide if matter is a solid, liquid or gas?
They look at the molecules
300
phase of matter that has no definite, but has a definite volume molecules are a little farther apart
liquid
300
The temperature at which a liquid becomes a gas
boiling point
300
What is needed for matter to change from one state to another
Energy
300
Describe what the molecules look like for a solid?
moving close together
300
What must be added to liquid for it to change into a gas?
heat
400
ionized (charged) gas
plasma
400
bubbling or fizzing
effervescent
400
2 examples of a chemical change
show the teacher
400
Describe what molecules look like for a liquid
moving a little further away
400
Who was Joseph Priestly?
Invented soda
500
temperature at which a solid starts to become a liquid
melting point
500
the temperature at which a gas turns into a liquid
condensation point
500
2 examples of a physical change
show the teacher
500
Describe what molecules look like for a gas
scattered all around the place
500
Who was Wallace Carothers?
Invented nylon
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