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unit 2 chap 1 test
study guide
Question | Answer |
---|---|
property | what you can observe or measure about something that helps you identify or describe it. |
substance | matter that is made of one kind of atom and one kind of molecules. |
mixture | matter that is made up of more than one substance. |
observe | to use any of the five sense to gather information about something . |
matter | the stuff that is all around us that thing are made of. |
atom | a tiny piece of matter that is to small to be seen. |
molecules | a group of atom joined in a particular way. |
model | something that scientist make to answer questions in the real world. |
attract | to pull an object, even without touching it. |
evidence | information that supports an answer to a question. |
inference | something that you figure out based on observation that you all ready know |