Section 1A
Section 2A
Section 3A
Section 4A
Vocabulary
100
Matter is anything that has _____ and _____.
Mass / Space
100
What are the four states of matter?
Solid, liquid, gas, plasma
100
All samples of one kind of matter share the same _____ and _____.
characteristics; properties
100
What happens to the identity of matter during a physical change?
It does not change.
100
Suggests that electrons do not occur in specific orbits around the nucleus.
Electron-cloud model
200
Which scientist believed that everything was made up of tiny unbreakable spheres?
Democritus
200
Which state of matter is found at high temperatures?
Plasma
200
What are the two kind of properties all matter have?
Physical; Chemical
200
Complete this sentence. Chemical changes are those in which one type of matter...
is changed into another type of matter having different properties.
200
Energy in motion.
Kinetic energy
300
Which scientist established the planitary model for the atom?
Neils Bohr
300
Which state of matter has a definite volume but does not have a definite shape?
Liquid
300
Physical properties can be observed by the _____.
Senses
300
A burning match is an example of _____.
A chemical change
300
Found that the atom is not solid but mainly empty space.
Rutherford
400
Which model do scientists currently believes is the best explanation of the atom?
Electron-Cloud
400
Which state of matter has the greatest kinetic energy?
Gas
400
Chemical properties describe how matter combines or interacts to form _____ _____.
New; substances
400
Steel wool rusting is an example of ______.
A chemical change
400
Neutrally charged particles in the atom.
Neutrons
500
What is the 4th word, of the 4th sentence, of the 5th paragraph?
"tiny"
500
What is sublimation?
Sublimation is the process of changing from a solid directly to a gas.
500
Sugar is white. Is this a chemical or physical property?
Physical
500
An aluminum block being rolled into foil is an example of_____.
A physical change
500
The combination of two or more different kinds of atoms.
Compounds
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