Chapter 1 Vocabulary: Matter and Change
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| experiment | a carefully controlled, repeatable procedure for gathering data to test a hypothesis
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| law of conservation of mass | mass can be neither created nor destroyed in an ordinary chemical or physical change
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| element | a substance that cannot be changed into a simpler substance under normal laboratory conditions
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| hypothesis | a descriptive model used to explain observations
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| scientific method | an approach to the solution of scientific problems
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| physical change | an alteration of a substance that does not affect its chemical composition
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| compound | a substance that can be separated into simpler substances (elements or other compounds)only by chemical reactions
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| theory | a thoroughly tested model that explains why experiments give certain results
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| matter | anything that takes up space and has mass
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| homogenous mixture | a mixture that is completely uniform in composition; its components are not distinguishable.
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| heterogeneous mixture | a mixture that is not uniform in composition; its components are readily distinguished
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
KellyBeck
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