Science Vocab Smstr1
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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| Atom | An atom is the basic unit of a chemical element.
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| Element | An element is a substance that cannot be broken down by chemical means.
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| Periodic Table | The Periodic Table is a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure appear in vertical columns
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| Periods | Periods are the horizontal rows of the periodic table. An elements period number determines its amount of electron shells.
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| Groups | Groups are the vertical columns of the periodic table. Elements in the same group share several chemical properties, and have the same amount of valence electrons.
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| Protons | A proton is a stable subatomic particle occurring in all atomic nuclei, with positive electric charge. Number of protons = number of electrons.
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| Neutrons | A neutron is a subatomic particle contained in the atomic nucleus. No electrical charge
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| Electron | An electron is a stable subatomic particle with a negative charge. Number of protons = number of electrons.
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| Atomic Number | An element's atomic number is determined by the number of protons in the nucleus of an atom and its place in the periodic table.
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| Atomic Mass | Atomic mass is equivalent to the number of protons and neutrons in the atom's nucleus.
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| Newton's First Law | "An object at rest stays at rest and an object in motion remains in motion unless acted upon by an unbalanced force.
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| Newton's Second Law | "The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object."
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| Newton's Third Law | "For every action, there is an equal and opposite reaction."
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| Flask | A narrow-necked glass container, typically conical or spherical, used in a lab to hold samples or reagents.
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| Beaker | A lipped cylindrical glass container for lab use.
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| Graduated Cylinder | a measuring instrument for measuring fluid volume
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| Triple Beam Balance | A device used for determining the mass of an object.
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| Thermometer | A device used to measure temperature,
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| Balanced Forces | When two equal and opposite forces are applied on an object, and the object doesn't move
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| Unbalanced Forces | When unequal and opposite forces are applied on an object, and the object moves in the direction the greater force is applied.
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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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