The amount of matter a sample of matter contains.
(measured in grams)
What is mass?
200
Steam
What is a gas?
200
process of going from liquid to gas
What is evaporation?
200
freezing water
What is a physical change?
300
A person who studies or works in one particular area of a subject.
What is a specialist?
300
color, shape, and smell of matter
What are physical properties?
300
No definite shape but a definite volume
What is liquid?
300
The process of a solid such as moth balls or dry ice changing to a gas
What is sublimination?
300
burning log, cake baking, nail rusting
What is a chemical change?
400
A scientist who studies matter and its changes.
What is a chemist?
400
Mass and Volume
What are two basic physical properties of matter?
note:
VOLUME is the amount of space that a sample of matter takes up and is measured in liters.
MASS is the amount of matter a sample of matter contains and is measured in grams.
400
Density tells how much matter is in a unit of volume, this state of matter is very dense with particles tightly packed.
What is a solid?
400
A change in state always involves a change in this.