vocabulary words 5th grade
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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| Simple Machines | A tool that makes work easier; has few or no moving parts.
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| Inertia | An object will remain at rest or in motion unless it is acted on by a force
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| Accelerate | To start to move, speed up, slow down, stop or change directions.
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| Unbalanced Forces | Forces that have a net force or a net force that is not zero; one force greater than the other.
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| Momentum | The product of the mass & velocity of an object; How hard it is to slow down or stop an object
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| Friction | A force that opposes, or acts against, motion when 2 surfaces rub against each other; a force that acts on an object to slow or stop it.
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| Gravity | The force that pulls things toward Earth.
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| Compound Machine | Machine made from more than one simple machine.
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| Balanced Forces | Forces that have a net force of zero. Equal & opposite forces (cancel each other)
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| Energy | The capacity to do work - move muscles, operate machines, cook meals, heat rooms.
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| Speed | A measurement of distance over a period of time.
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| Force | A push or pull of an object.
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| Inclined Plane | A flat surface that is slanted
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| Pulley | A rope that is threaded through a wheel or disk.
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| Fulcrum | Point where a lever pivots
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| Wheel and Axle | A shaft attached to the center of a wheel
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| Action Force | The 1st Force; Newton's Third Law
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| Reaction Force | the force that pushes or pulls back; Newton's Third Law
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| Newton's 1st Law | An object at rest will remain at rest & an object moving will continue in a straight line unless acted on by an outside force.
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| Newton's 2nd Law | The change in an object's motion depends on its mass and the force acting on it.
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| Newton's 3rd Law | For every action, there is an equal and opposite reation.
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| Position | The location of an object
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| Net force | The result of 2 or more forces acting on an object. Measured in Newtons.
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| Magnetism | The force of repulsion (pushing) or attraction (pulling) between poles of magnets.
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| Work | The use of a force to move an object through a distance.
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| Joule | Unit of work.
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| Power | The amount of work done for each unit of time.
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| Watt | Unit of power.
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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.
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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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