Mrs. Chandler's Science Class

Middle School Science Dictionary and Encyclopedia

A C D E H M N O P Q R S
Ch Cl Co

chemical

  1. material produced by or used in a reaction involving changes in atoms or molecules

claim

  1. A claim is a sentence that answers the question. It does not include transitions words such as “because” and “therefore”.

compound

  1. a substance formed when two or more chemical elements are chemically bonded together

compound

  1. It is a substance that contains atoms of two or more chemical elements held together by chemical bonds.

consequence

  1. a result or effect of an action or condition

contract

  1. a written or spoken agreement that is intended to be enforceable by law