Chapter 3
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 | everything that has mass and takes up space
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| element | substance made of only one kind of atom
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| metals | good conductors of electricity and heat. Can bend without breaking. Most have a gray color
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| nonmetals | do not conduct heat / electricity very well. May be a gas or solid
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| semi-metals | sometimes like metals and sometimes like nonmetals
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| atom | the basic building block of matter. Can't be any smaller
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| atomic theory | states that everything is made out of atoms
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| compound | a type of matter made of two or more elements
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| molecule | smallest particle of a compound that still acts like that compound
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| proton | positive charge. Found in the nucleus
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| nuetron | no charge. found in the nucleus
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| electron | negative charge. orbits around the nucleus
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| Solid | Has a definite volume or shape. Particles are very close together,
and don’t move past each other. Keeps its shape.
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| Liquid | Has a definite volume but not shape. Particles can move past each
other. Takes shape of container
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| Gas | No definite volume or shape. Particles spread out evenly and take
shape of container. Can be squeezed into a smaller volume
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| Plasma | Like a gas, but conducts electricity like a metal. Occurs with high
temps or electric charge.
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| Melting Point | Solid to liquid or liquid to solid. Same temperature as freezing point.
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| Evaporation | When liquids become a gas
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| Condensation | When gas becomes a liquid. Gas particles touch a cold surface and
the temperature drops.
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| Boiling Point | The temperature at which evaporation occurs
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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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