Vocabulary Chapter 1-4
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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| Reference Point | The starting point you choose to describe the location, or position, of an object.
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| Position | An object's distance and direction from a reference point.
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| Motion | The process of changing position.
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| Displacement | Th difference between the initial position and the final position of an object.
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| Speed | The measure of distance of an object per unit of time.
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| Constant Speed | Rate of change of position in which the same distance is traveled per second.
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| Instantaneous Speed | Speed at a specific distance in time.
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| Velocity | Speed and direction of a moving object
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| Acceleration | The measure of the change n velocity during a period of time.
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| Net Force | The combination of all the forces acting on an object.
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| Balanced Force | Forces acting on an object that combine and form a net force of zero.
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| Unbalanced Force | Forces acting on an object that combine and form a net force that is not zero.
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| Inertia | The tendency of an object to resist a change in its motion.
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| Circular Motion | Any motion in which an object is moving along a curved path.
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| Centripetal Force | force that acts perpendicular to the direction of motion, toward the center of the curve.
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| Efficiency | The ratio of output work to input work.
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| Sound Wave | A longitudinal wave that travels through matter.
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| Pitch | The perception of how high or low a sound seems.
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| Echo | A reflected sound wave.
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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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