Science 8
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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| acceleration | This is the rate at which velocity changes.
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| balanced forces | This is when forces are combined and there is a zero net force and no change in motion.
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| motion | You can tell that this has occured because an object's position has changed compared to its reference point.
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| net force | This is the resulting force when two or more forces are combined.
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| speed | This is the distance covered in a period of time.
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| unbalanced forces | When forces are combined, this results in a net force and causes a change in motion.
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| reference point | This is an object that seems to stay still.
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| velocity | This is the speed of an object in a given direction.
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| action force | The force that is put on an object.
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| gravity | This is the invisible attaction obetween two objects. Its strength depends on mass and distance.
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| inertia | This is the tendency of objects to resist changes in motion.
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| momentum | This is the measure of an object's motion based on mass and velocity.
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| weight | This measures the force of gravity on an objcet.
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| reaction force | This is the force that an object puts back onto the object putting a force on it.
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| F = MA | This is the formula associtated with Newton's 2nd Law.
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| Newton's Second Law | An example of this law is the harder you kick a soccer ball the farther it will go.
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| Newton's Third Law | An example of this law is when you put a force on a table leg with your toe, the table leg puts a force back on your toe.
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| Newton's First Law | The reason we wear seatbelts can be explained by using this law of motion.
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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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Created by:
srandall
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