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Unit 1 Vocabulary

Name:_________________________________

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