Chapter 2 (Matter)
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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| Density | the mass per unit volume of a substance
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| Boiling Point | the temperature at which a liquid becomes a gas below the surface
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| Melting Point | the temperature at which a solid become a liquid
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| Physical Property | a characteristic of a substance that can be observed or measured without changing the composition of the substance
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| Evaporation | the change of a substance from a liquid to a gas
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| Energy | the ability to change or move matter
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| Viscosity | the resistance of a fluid to flow
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| Pressure | the force exerted per unit area of a surface
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| Immiscible | describes two or more liquids that do not mix into each other
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| Miscible | describes two or more liquids that are able to disslove into each other in various proportions
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| Sublimation | the change of a substance from a solid to a gas
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| Condensation | the change of a substance from a gas to a liquid
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| Reactivity | the ability of a substance to combine chemically with another substance
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| Chemical Formula | the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance
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| Molecule | the smallest unit of a substance that exibits all of the properties and characteristics of that substance
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| Compound | a substance made of atoms of more than one element bound together
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| Physical Change | a change that occurs in the physical form or properties of a substance that occurs without a chenge in composition
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| Atom | the smallest partical that has the properties of an element
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| Chemical Change | a change that occurs when a substance changes composition by forming one or more new substances
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| Element | a substance that cannot be broken down into simpler substances
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| Matter | Anything that has mass and occupies space
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| Chemistry | the study of matter and how it changes
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| Bouyancy | the force with which a more dense fluid pushes a less dense substance upward
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| Chemical Property | the way a substance reacts with others to form new substances with different properties
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| Mixture | a combination of more than one pure substance
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| Pure Substance | any matter that has a fixed composition and definite properties
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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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