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Unit 1 Vocabulary

Across
The change of state from a liquid to a gas that usually occurs at the surface of a liquid over a wide range of temperatures.
The amount of space that an object takes up, or occupies
The change of state from a gas directly to a solid.
The ratio of the mass of a substance to the volume of the substance.
The change of state from a solid directly to a gas.
The change of state from a gas to a liquid.
A form of matter that does not have a definite volume or shape
The state of matter that has a definite volume but not a definite shape.
The state of matter in which the volume and shape of a substance are fixed.
A property of matter that describes a substance's ability to participate in chemical reactions. 
Anything that has mass and takes up space.
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.
The smallest unit of an element that maintains the properties of that element.
A change that occurs when one of more substances change into entirely new substances with different properties
The change of state from a liquid to a gas that occurs at a specific temperature.
A combination of two or more substances that are not chemically combined.
The change of state from a liquid to a solid.
Down
Describes something that has a uniform structure or composition throughout.
A substance that cannot be separated or broken down into simpler substances by chemical means.
A measure of the amount of matter in an object.
Describes something that does not have a uniform structure or composition throughout.
A change of matter from one form to another without a change in chemical properties
A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
The change of state from a solid to a liquid.
A substance made up of atoms of two or more different elements joined by chemical bonds.
A measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe.