1st Semester Vocab by Naiha
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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| Flask | A flask is a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation to hold large volumes of liquid.
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| Test tube | A test tube is a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
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| Petri Dish | A petri dish is a shallow, circular, transparent dish with a flat lid, used for the culture of microorganisms.
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| Period | A period is a row of elements in the periodic table arranged by atomic number, sharing the same number of energy levels.
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| Group | A group is a column of elements in the periodic table having the same number of valence electrons, and similar chemical properties; also called chemical families.
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| Nucleus | A nucleus is in the center of an atom and is made up of protons and neutrons.
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| Proton | A proton is a positively-charged particle located in the nucleus of an atom.
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| Electron | An electron is a negatively-charged particle found outside the nucleus of an atom, in electron cloud.
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| Speed | Speed is the distance traveled by an object in a given amount of time.
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| Velocity | Velocity is an object's speed and direction at a given instant.
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| Acceleration | Acceleration is the change in a an object's speed or direction (its velocity) over time.
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| Force | Force is a push or pull.
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| Balanced Force | A balanced force occurs when the total of all forces on an object equals zero and the object's motion does not change.
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| Unbalanced Force | An unbalanced force occurs when the net force of an object does not equal zero; results in the object changing motion.
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| Direction | Direction is the course along which something or someone moves.
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| Newton's 1st Law | An object at rest stays at rest and an object in motion stays in motion until acted upon by an unbalanced force.
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| Newton's 2nd Law | The acceleration of an object depends upon the size of the mass and the force of the object.
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| Newton's 3rd Law | For every action(or force), there is an equal and opposite reaction(or force).
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| Graduated Cylinder | A graduated cylinder is a measuring instrument for accurately measuring fluid volume; a glass container whose sides are marked with or divided into amounts.
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| Hand lens | A hand lens is a hand-held magnifying glass.
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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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