Vocabulary from chapters 10.3 and 10.4
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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| Biceps | The muscle in the arm that pulls your hand to your face
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| Triceps | The muscle in the arm that pulls your hand away from your face
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| Contract | When a muscle pulls on a bone and becomes shorter
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| Relax | When a muscle is not pulling on a bone and becomes longer
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| Force | A push or a pull, with muscles, it is always a pull
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| Lever | A simple machine which has a bar that pivots on a fulcrum (point)
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| Mechanical Advantage | The amount of force that a machine multiplies the force put into it
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| Input Force | The amount of force put into a lever to lift a load
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| Output Force | The amount of force that is created when a lever lifts an object
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| Class 1 lever | When the fulcrum is between the input force and the output force; example: see-saw
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| Class 2 lever | When the output force is between the input force and the fulcrum; example: wheel barrow
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| Class 3 lever | When the input force is between the fulcrum and the output force; example: stapler
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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:
MRS.A
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