Electricity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| A build up of charge on an insulator is known as? | Static electricity
🗑
|
||||
| Insulators become charged by ............... between the cloth and object | Friction
🗑
|
||||
| Static electricity is found only on these? | Insulators
🗑
|
||||
| These allow current to flow through them? | Conductors
🗑
|
||||
| These prevent damage to buildings if hit by lightning? | Lightning rods
🗑
|
||||
| A lightning rod must be made of ............. as they allow electricity to flow through them | Metal
🗑
|
||||
| When Voltage is proportional to current at a fixed temperature this is known as? | Ohm's law
🗑
|
||||
| A straight line graph shows a .................... relationship? | Proportional
🗑
|
||||
| Unit of current | Amp
🗑
|
||||
| Unit of resistance | Ohm
🗑
|
||||
| Unit of voltage | Volt
🗑
|
||||
| Another word for voltage | Potential difference
🗑
|
||||
| This electrical quantity provides the force to push the electrons around a circuit? | Voltage
🗑
|
||||
| This is a measure of how difficult it is for electrons to flow in a circuit? | Resistance
🗑
|
||||
| A flow of electrons is known as the? | Current
🗑
|
||||
| The symbol for voltage? | V
🗑
|
||||
| The symbol for resistance is? | R
🗑
|
||||
| The symbol for current? | I
🗑
|
||||
| The formula used to calculate voltage? | V = IR
🗑
|
||||
| Current flows from this terminal to this terminal in a battery? | Positive to negative
🗑
|
||||
| The unit of energy consumption used by ESB? | kilowatt hour
🗑
|
||||
| Formula used to calculate the current used? | I = V/R
🗑
|
||||
| A device used to reduce the current flowing in a circuit? | Resistor
🗑
|
||||
| The type of circuit that when one bulb blows they all go out because circuit is broken? | Series
🗑
|
||||
| The type of circuit that when one one bulb blows the other stays lighting because two paths for current to flow in? | Parallel
🗑
|
||||
| Current that flows in one direction only? | Direct current
🗑
|
||||
| Current that is constantly changing direction? | Alternating current
🗑
|
||||
| The number of volts in the mains? | 230
🗑
|
||||
| The type of current in the mains? | Alternating current
🗑
|
||||
| Electrolysis is an example of the ........... effect of an electric current? | Chemical
🗑
|
||||
| The use of a toaster or kettle uses the .......... effect of an electric current? | Heating
🗑
|
||||
| The electromagnet in a scrap yard uses the .......... effect of an electric current? | Magnetic
🗑
|
||||
| For current to flow the circuit must be? | Complete
🗑
|
||||
| A circuit breaker uses the .............. effect of an electric current? | Magnetic
🗑
|
||||
| A fuse uses the ............ effect of an electric current? | Heating
🗑
|
||||
| This is a safety device that breaks the circuit if its rating is exceeded because the wire inside of it melts? | A fuse
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
scienceatkcc
Popular Science sets