helps for test
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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| Physical Properties | can be observed and measured without
changing the kind of matter being studied
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| Melting Point | The temperature a solid can change to a liquid.
· The temperature a pure substance
melts is unchanging under constant
conditions.
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| Boiling Point | · The temperature at which a liquid boils changing from a
liquid to a gas.
· Boiling begins when the liquid starts to form bubbles
throughout, which grow larger, rise to the surface, and
burst.
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| Density | Density is a property that describes the relationship
between the mass of a material and its volume.
· Substances that are denser contain more matter in a
given volume.
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| Color | · Color can be used to help identify a substance,
along with other properties.
· By itself color is not a significant identifier of a
substance.
· Absence of color is also a physical property.
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| Chemical Properties | A chemical property of one substance usually involves its ability to react (combine) or not react with another specific substance.
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| Ability to Burn | · The ability of a substance to burn is a chemical property that involves a substance reacting quickly with oxygen to produce light and heat.
The process is called burning
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| The Ability to Rust | · The ability of a substance to rust is a chemical property that involves a substance reacting slowly with oxygen.
The process is called rusting
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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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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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