CHAPTER 2 Word Scramble
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Question | Answer |
MATTER | Anything that takes up space and has mass |
PURE SUBSTANCES | A material with a specific chemical composition; an element or a compound. |
ELEMENT | A pure chemical substance made up of only one type of atom. |
COMPOUND | A pure chemical substance made up of two or more atoms bonded together. |
MIXTURE | Two or more substances mixed together that can be broken down using physical means. |
HOMEGENEOUS SOLUTION | A mixture where the components are mixed in a way that they are not visible and cannot be seperated, such as saltwater. |
HETERGENEOUS SOLUTION | A mixture where the different components can be viewed and seperated manually, such as chocolate chip cookie dough. |
DISTILLATION | Distillation is a method of separating mixtures by boiling them. |
PHYSICAL CHANGES | A physical change does not affect a substance's chemical makeup. Ex. crushing, tearing, freezing |
PHYSICAL PROPERTIES | Properties that can be observed using the five senses. |
CHEMICAL CHANGES | Changes that affect the chemical makeup of a substance. Ex. burning |
CHEMICAL PROPERTIES | Properties of a material that can be observed during a chemical reaction. |
LAW OF CONSERVATION OF MATTER | Matter is neither created nor destroyed, but is combined and rearranged in different ways. |
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