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Definition :A single kind of matter that is pure, meaning it has a specific composition.

Kid Friendly: an object with the same type of matter

SUBSTANCE

Iron

Definition: made of two or more substances that are together in the same place whose atoms are not chemically combined.

Kid Friendly: Two elements mixed together.

MIXTURE

Definition: Anything that has mass or takes up space

Kid Friendly Definition: Everything around you

MATTER

Definition: is a characteristic of a substance that describes its ability to change into different substances

Kid Friendly Definition: ability to change into different substances

(molecules are changed-ie. Rust)

CHEMICAL PROPERTY

Definition: characteristics of a substance that can be observed without changing it into another substance

Kid Friendly Definition: a characteristic that can be easily observed

PHYSICAL PROPERTY

Definition: arrange into categories

Kid Friendly Definition: put into groups of similar characteristics

CLASSIFY

Definition:: a substance that can not be broken down into any other substances by chemical or physical means

Kid Friendly: substances made from only one kind of atom

ELEMENT

Definition: made up of two or more elements that are chemically combined in a set ratio

Kid Friendly Definition: made up or consisting of several parts or elements

COMPOUND

Definition: The basic particle from which all elements are made.

Kid Friendly Definition:

The smallest part of a substance.

ATOM

Definition: a force of attraction between two atoms

Kid Friendly: substances that contain two or more atoms

CHEMICAL BOND

Defintion: A group of two or more atoms held together by chemical bonds

Kid Friendly: the smallest particle in an element

MOLECULE

Definition: shows the elements in the compound and the combining ratios of their atoms

Kid Friendly: symbols that show the elements of a compound

CHEMICAL FORMULA