Atomic Structure
Phase Changes
Chemical vs Physical Changes
Vocabulary
Misc.
100
The center of an atom.
What is the nucleus?
100
The 3 phases of matter.
What is solid, liquid, and gas?
100
This is a change in chemical composition.
What is a chemical change?
100
This is considered to be the building block of life.
What is a cell?
100
This suffix means "the study of".
What is -ology?
200
The neutrally charge part of an atom.
What is a neutron?
200
A substance in this phase will always have the same shape and volume.
What is a solid?
200
This is a change that does not result in the formation of a new substance.
What is a physical change?
200
This is a substance that is made of all like atoms.
What is a pure substance?
200
Atoms bond together to form this.
What is a molecule?
300
The positively charged part of an atom.
What is a proton?
300
A substance in this phase will never have the same shape or volume.
What is a gas?
300
Rust is an example of this kind of change.
What is a chemical change?
300
This is a combination of substances.
What is a mixture?
300
This is a pattern of repeated molecules.
What is and extended structure?
400
The only subatomic particle located outside of the nucleus.
What is an electron?
400
A substance in this phase takes the shape of it's container, but always takes up the same amount of space.
What is a liquid?
400
This is the number of indicators of a chemical change.
What is 4?
400
This is a back and forth motion observed in all matter at the atomic level.
What is vibration?
400
As a substance changes from a solid to a liquid to a gas, the amount of thermal energy ______.
What is increases?
500
If we say that atoms typically have a neutral charge, the number protons _____ the number of electrons.
What is equal to?
500
This can also force a substance to change state (it is NOT heat).
What is pressure?
500
This is the kind of change a phase change is considered to be.
What is a physical change?
500
This is a man made material.
What is a synthetic material?
500
This is the number of watts the average 16 cubic foot refrigerator uses.
What is 380?
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