Junior cert physics
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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| Length | the distance between two points
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| Mass | the amount of matter an object contains
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| Volume | how much space object takes up
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| Speed | the distance travelled by an object in one unit of time
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| Velocity | the speed of an object in any given direction
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| Acceleration | the changes in space divided by the time taken
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| Force | causes a stationary object to move
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| Friction | a force that opposes the sliding motion of an object when in contact with another subject
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| Lubrication | used to reduce friction between 2 surfaces in contact with another subject
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| Weight | the PULL of the earth on an object
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| Hookes law | the extension of an elastic body is directly proportional to the force causing the extension
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| Lever | a rigid body that can turn about a fixed point called the FULCRUM
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| Law of the lever | when a lever is balanced the sum of its clockwise moments equals the sum of its anticlockwise moments
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| Centre of gravity | a pint in an object where all its weight appears to act
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| Pressure | the amount of force acting on a unit of area
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| Work | force by distance
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| Power | the rate at which work is done
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| Energy | the ability to do that work
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| Latent Heat | energy that causes a change in state and not in temperature
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| Dispersion | the spreading of light into its different colours
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| Reflection | the bouncing off light
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| Refraction | the BENDING of light as it passes from one medium to another
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| Sound | produced when a n object vibrates
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| Magnetic Force | the force of attraction OR repulsion between 2 magnets
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| Magnetic Field | the region around a magnet in which te magnetic force can be detected
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| Insulator | a material through which a charge can flow
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| Conductor | a material through which charge can flow
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| Direct Current D.C | a current flows in one direction only
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| Alternating Current A.C | a current that flows in a continually changing direction
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| Diode | allows an electric current to flow in one direction only
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| LED | LIGHT EMITTING DIODE, a diode that gives out light when a current passes through it
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| LDR | LIGHT DEPENDENT RESISTOR, resistor who's value of resistance can change as the intensity of the light falling on it changes
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| Echo | the reflection of sound
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| Ohms law | voltage is directly proportioned to current
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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:
jojo1979
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