Unit review
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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| Why is it harder to ride your bike on a windy day? | The wind pushes against the bike, creating drag and making it harder to pedal.
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| Why do you need to add lubrication to machine parts? | Lubrication reduces friction.
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| If you apply force in the same direction an object is moving, what will happen? | The object will speed up.
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| When objects are closer together, what is stronger? | Magnetism
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| If neither side of a tug-of-war game is moving, what is this an example of? | Balanced forces
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| An example of friction | Car tires wearing down
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| What is shown on a time-distance graph? | How far an object moves over a period of time
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| What happens when unbalanced forces act on an object? | The object will change in speed or direction.
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| Which force is weakened when water is added? | Friction
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| What units do we use to measure distance? | north, south, east, west
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| Friction causes objects to.... | slow down
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| An object with a greater mass will move slower or faster? | slower
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| What tool do we use to measure mass? | a balance scale
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| What tool do we use to measure distance? | a ruler
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| What does a horizontal line on a time-distance graph show? | an object that has stopped moving
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| What does a steep line on a time-distance graph show? | an object that is moving faster
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| Which force causes objects to fall? | gravity
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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:
mrushton
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