science unit 3
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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| 1.What is often described by a push or pull? | A force.
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| 2.What is inertia? | The tendency to avoid a motion change.
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| 3.What is an example of sliding friction? | Ice skating.
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| 4.What is kinetic energy? | Energy in motion
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| 5.What is the unit of energy? | Joules
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| 6.What is it called when two equal forces produce no movement? | balanced forces
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| 7.What is the first law of motion? | Objects at rest shall stay at rest and objects in motion will stay in motion unless acted on by an outside force.
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| 8.What is the second law of motion? | An object with more mass is harder to be moved than one with less mass.
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| 9.What is the third law of motion? | Every force has an equal and opposite force.
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| 10.What is potential energy? | Energy not yet being used.
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| 11.How do two of the same side poles react to each other? | They repel
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| 12.How do two opposite poles react to each other? | They attract
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| 13.Where is there the most energy on a bar magnet? | At the poles
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| 14.How do you make an electromagnet stronger? | Adding more wire or using a stronger power source.
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| 15.What advantage does an electromagnet have? | They can be turned on and off.
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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:
02samuel.beckett
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