PSA Challenge Vocabulary
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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| Force | Mass divided by velocity, a push or a pull.
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| Mass | How much matter is in something.
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| Acceleration | The change in velocity.
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| Drag | An increade of friction.
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| Speed | The rate at which an object moves.
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| Terminal Speed | The maximum speed an object reaches.
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| Terminal Velocity | The maximum velocity an object reaches.
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| Inertia | An object's tendency to resist change in motion.
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| Deceleration | The decreasing od acceleration.
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| Friction | The tendency of objects to slow down when rubbed against each other.
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| Invisible Forces | Forces you can't see.
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| Air Resistance | A tendency of air to grab things and slow them down.
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| Motion | Movement of an object from one place to another.
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| Velocity | Speed and direction.
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| Linear Motion | Movement on a line.
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| Newton's 1st Law | An object in motion stays in motion and an object at rest stays at reast until acetd upon by an outside force.
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| Newton's 2nd Law | A net force acting on an object causes the object to accelerate in the direction of the force.
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| Newton's 3rd Law | When one object exerts a force on a second object, the second one exerts a force on the first that is equil in size and opposite in direction.
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| Coasting | Moving without any force being applied at that time, but with force from a past time.
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| Speed Change | A change in speed while something is in motion.
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| Unbalanced Forces | The subtraction of forces where there is a remaining force and both forces are not cancled out.
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| Torque | A turning or twisting force.
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| ISS | The International Space Station that is being built by 21 countries.
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| Reverse Thrust | A force in the opposite direction of your first force.
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| Lever Arm | The Canadian arm on the ISS used to pick up stuff and is attached to a lever.
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| Robota | The first robot ever built.
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| Unimate | The first robot to work in industry.
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| Deep Space One | The first deep-space probe to rely on ion engines for primary propulsion.
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| ISS | The internaional space staion that is beingbulit by 21countries
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| force | mass divded by velocity, a push or a pull
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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:
Zac
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