CHAPTER 16&17
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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| matter | anything that has mass and takes up space
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| homogeneous mixture | every sample of this material is the same
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| heterogeneous mixture | two samples of this material might contain different kinds of matter
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| element | a pure substance which contains only one kind of matter
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| compound | contains two or more kinds of matter that cannnot be seperated by physical means
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| substance | a sample of matter than cannot be seperated by physical means
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| mixture | a sample of matter that contains two or more kinds of particles that can be seperated by physical means
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| meniscus | the curve formed by the surface of a liquid
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| displacement | measuring volume by placing an object in water and recording the change in water level
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| indirect measurement | calculating size of very large or small objects through use of proportional relationships
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| density | a measurement of the "compactness" of a substance; the ratio of its mass to volume
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| hardness | a measurement of how easily a solid can be scratched
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| brittleness | a measurement of how easily a solid will shatter
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| elasticity | a measure of a solid's ability to return to its original shape after it is stretched or squeezed
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| malleability | a measurement of how easily a solid can be pounded into thin sheets
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| tensile strength | a measurement of how well a solid resists breaking when it is pulled on
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| fluid | any materal that flows
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| bouyancy | the upward force of a liquid or gas upon an object immersed in it
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| Archimedes' principle | the force exerted on an object in a fluid is equal to the weight of the displaced fluid
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| viscosity | a measure of a fluid's resistance to flow
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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.
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.
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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