Elements
Matter
Matter 2
Matter 3
Water Cycle
100
What is the smallest unit of an element called?
atom
100
All matter is made up of tiny particles called
atoms
100
What is the freezing and melting point of water?
0°C
100
Characteristics of solids
* They have a definite shape
* they have a definite volume
* Difficult to compress
100
Number 1
Evaporation
200
Protons are ___________ charge.
positively
200
Volume is the amount of __________ that matter takes up.
space
200
What is the boiling point of water?
100°C
200
Characteristics of liquids
They flow
They do not have a definite shape
Take the shape of their container
They have a definite volume
Difficult to compress
200
Number 3
condensation
300
What charge do electrons have?
negative
300
Mass is the amount of __________ an object has.
matter
300
__________ do not have a definite shape, mass, or volume
gas
300
Characteristics of gases
Do not have a definite shape
Do not have a definite mass
Do not have a definite volume
They flow
Are easy to compress
300
Number 4
Precipitation
400
What charge do neutrons have?
None, they are UNCHARGED
400
What is the molecular formula of carbon dioxide?
CO2
400
__________ do not have a definite shape, but they do have a definite volume.
liquid
400
Definition of atom:
the smallest unit of an element
400
Number 5
Runoff
500
What is a group of two or more atoms called?
Molecules
500
What is the molecular formula of WATER?
H2O
500
__________ have a definite shape and volume.
solid
500
Definition of molecules
a group of two or more atoms
500
Number 2
Transpiration