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Unit 2,Ch 1

Study Guide

QuestionAnswer
what is Property? what you can observe or measure about something that helps you identify or describe it
what is Substance? matter that is made of only one kind of atom or molecule
what is Mixture? matter that is made of more than one substance
what is Observe? to use any of the five senses to gather information about something
what is Matter? the stuff that things are made of
what is Atom? a tiny piece of matter that is too small to be seen
what is Molecule? a group of atoms joined together in a particular way
what is Model? something scientists make to answer a question about the real world
what is Attract? to pull an object, even without touching it
what is Evidence? information that supports an answer to a question
what is Inference? something you figure out based on observations and what you already know
How are different kinds of molecules different and similar? Different molecules can have different sizes, weights, shapes, and attraction strength. They are similar because they are all made of atoms and they make up matter
All molecules of one substance are the _______? Same
Different molecules have different _______? Properties
_______ are the smallest pieces of matter? Atoms
_______ molecules are highly attracted to each other and many other kinds of molecules? Water
_______ is a technique used to separate mixtures into their component substances Chromatography
Why
Created by: user-1767296
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