category 1
Power Source – Like a_________________ , it provides the energy to push electrons.
battery
If one bulb goes out, the whole circuit stops working in a series / parallel circuit.
**** Double Bonus****
series
current is measured in _____________.
amperes
resistance is measured in ________.
ohms
In a fan, electrical energy is converted to _______ energy.
mechanical energy
A ______________ is used to open or close the circuit.
switch
All components are connected in a single path in a ___________ circuit.
series
Opening a switch breaks an electric device. T / F
False
*****_______________always have magnetic force. Examples: bar magnets, fridge magnets.****
**** double Bonus****
Permanent magnets
What happens when you bring two south poles close to each other?
*** double bonus***
b) They repel
Adding more bulbs in a series circuit makes the bulb
dimmer / brighter / no change
***Extra 100****
dimmer
The flow of electric charge is ___________.
voltage / current / resistance
current
A _____________allows electric current to flow easily.
**** extra 200****
good conductor
The __________ is a beautiful light caused by Earth’s magnetic field.
aurora
A compass works because of ___________________.
***Extra 100****
earth's magnetic field
A device (like a bulb or motor) that uses electricity to do work.
Load
conductor
electricity
load
In a __________ circuit, if one bulb goes out, the others keep working.
parallel
What happens to resistance as temperature increases?
**** extra 100****
increases
Magnetic field lines always go from the _______________ pole to the _______________ pole.
north pole to south pole
Earth's magnetic field helps birds navigate. T / F
true
___________________ is Also called electric potential difference.
voltage
Materials like __________, __________, and __________ are magnetic.
iron, cobalt and nickel
ohms law shows the relationship between _________, ______________ and ___________.
voltagge, current and reisistance.
Which of the following is a temporary magnet?
a) Fridge magnet b) Iron nail c) Bar magnet d) Compass needle
b) Iron nail
What is one way Earth’s magnetic field helps humans or animals?
solar winds , navigation