1) Small bits of solid material settled in the bottom of liquid a) soluble b) sediment c) dissolve d) mixture 2) When 2 liquids stay mixed a) stable mixture b) unstable mixture c) emulsifier d) property 3) a tiny piece of matter that is too hard to see a) matter b) atom c) molecule d) mixture 4) a group of atoms joined in a particular way a) matter b) atom c) molecule d) mixture 5) a single part of the mixture, or only 1 ingredient a) emulsifier b) mixture c) property d) substance 6) physical substance that takes up space and has mass *it's everywhere! a) matter b) atom c) molecule d) mixture 7) Which ingredients do NOT leave sediment? a) sugar and citric acid b) citric acid and pepper c) cumin and sugar d) pepper and cumin e) citric acid and pepper 8) High attraction molecules a) molecules bounce off each other b) the molecules stick together and dissolves c) molecules do not mix 9) TRUE OR FALSE: When 2 different molecules are not attracted to each other, they do not stick or mix.  a) True b) False 10) True or False: Oil and Vinegar mix. a) True b) False 11) What is an unstable mixture? a) ingredient that cause liquids to mix b) When 2 liquids stay mixed c) When 2 liquids separate and don't mix 12) If 2 liquids do not mix, what needs to be added to make those molecules attract to each other? a) mixture b) atom c) emulsifier d) solid 13) What is the purpose of a chromatography test? a) To see beautiful colors b) To separate the mixture c) To see how water affects color d) To test how water mixes with another ingredient 14) True or False: When the molecules of a solid are attracted to molecules of a liquid, they spread apart and mix evenly. a) True b) False 15) True or False: I will study for my science test on Wednesday a) True b) False

Modeling Matter Review

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