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AJ Science

Across
A substance made up of atoms of two or more different elements joined by chemical bonds
An element that conducts heat and electricity poorly
The natural world of investigation
The change of state from a gas to a liquid
A person who studies volcanoes
A person who studies the atmosphere
Physical state of matter that starts as a gas and becomes a ionized
The change of state from a liquid to a gas
A person sho specializes in the chemistry of rocks
The change of state in which a solid becomes a liquid by adding heat
Down
A substance that cannot be separated or broken down into simple substances by chemical means
The process in which a solid changes directly into a gas
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
The change of sustance from one physical state to another
To act upon one another
Serving as part of a whole
An element that has properties of both metals and nonmetals
An element that is shiny and that conducts heat and electricity well
State of matter that has no definite volue or shape
The conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure