KMHS_Chemistry Word Scramble
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Question | Answer |
experiment | a carefully controlled, repeatable procedure for gathering data to test a hypothesis |
law of conservation of mass | mass can be neither created nor destroyed in an ordinary chemical or physical change |
element | a substance that cannot be changed into a simpler substance under normal laboratory conditions |
hypothesis | a descriptive model used to explain observations |
scientific method | an approach to the solution of scientific problems |
physical change | an alteration of a substance that does not affect its chemical composition |
compound | a substance that can be separated into simpler substances (elements or other compounds)only by chemical reactions |
theory | a thoroughly tested model that explains why experiments give certain results |
matter | anything that takes up space and has mass |
homogenous mixture | a mixture that is completely uniform in composition; its components are not distinguishable. |
heterogeneous mixture | a mixture that is not uniform in composition; its components are readily distinguished |
Created by:
KellyBeck
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