1st semester 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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| Nucleus | The center of an atom that holds protons and neutrons.
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| Protons | Located in the nucleus. Has a positive charge and determines the element.
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| Neutrons | Has no charge and is located in the nucleus.
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| Electrons | Has a negative charge and is located in the electron cloud.
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| Electron shell | The rings surrounding the nucleus where the electrons are located.
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| Balanced force | All forces equal zero.
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| Unbalanced Force | Net force is unequal and causes change in speed and direction.
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| Force | A push or pull.
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| Speed | The distance traveled by something in a certain amount of time.
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| Acceleration | The change in objects velocity over time.
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| Velocity | An objects speed and direction at a certain instant.
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| Direction | The path in which an object moves.
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| Newtons 3rd law | For every action there is an equal and opposite reaction.
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| Isotope | An atom with different number of neutrons than protons.
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| Ion | An atom that has more or less electrons than normal.
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| Safety rule #1 | Listen to instructions and follow directions.
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| Safety Rule #2 | Be on your best behavior in lab.
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| Safety rule #4 | Wear your safety goggles when working with heat, chemicals, and when your teacher tells you to.
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| Safety rule #5 | Keep all lab equipment away from the edge of the table.
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| Safety rule #6 | Handle your lab equipment very carefully.
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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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