Greenough-pnhs-intro to IS vocab
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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| What is a pure substance? | Matter that always has exactly the same composition.
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| What is an element? | A substance that cannot be broken down into simpler substances.
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| What is an atom? | The smallest particle of an element.
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| What is a compound? | A substance made from two or more simpler substances and can be broken down into simpler substances.
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| What is a heterogeneous mixture? | A mixture that has parts that are noticeably different from each other.
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| What is a homogeneous mixture? | A mixture with substances that are so evenly distributed that it is difficult to distinguish one substance from another.
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| What is a solution? | When substances dissolve and form a homogeneous mixture.
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| What is a suspension? | A heterogeneous mixture that separates into layers over time.
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| What is a colloid? | Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension.
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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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