What is static electricity?
A buildup of electrical charges on the surface of objects.
What is needed to make a complete electrical circuit?
A power source, wires, and a device (like a bulb)
How does electricity travel from a power plant to homes?
Through power lines.
What happens when you connect a light bulb incorrectly in a circuit?
The bulb will not light up.
Which device is necessary to complete a simple electrical circuit?
a. A magnet
b. A battery
c. A thermometer
d. A compass
A battery.
Which type of electricity powers most household appliances?
Current electricity.
What is an insulator?
A material that blocks electrical flow.
Which energy transformation occurs in an electric motor?
Electrical to mechanical.
What happens when you bring the same poles of two magnets together?
They repel each other.
What happens when you rub a balloon against your hair?
Static electricity builds up.
What happens when electricity flows through a circuit?
Devices connected to the circuit can work.
What causes objects to be attracted to magnets?
Magnetic force.
Which material is typically a good conductor of electricity?
Metal.
Which object would NOT be attracted to a magnet?
a. Iron nail
b. Steel paperclip
c. Plastic ruler
d. Steel safety pin
Plastic Ruler
Which creates magnetic effects?
Both electricity and permanent magnets
Which device uses both electricity and magnets to work?
An electric motor.
What creates the visible flash we see during a lightning storm?
Static electricity discharge.
What is a magnetic field?
The area around a magnet where it can affect objects.
What is polarity in magnets?
The north and south poles of the magnet.
What happens when you break a magnet in half?
Each piece has both north and south poles.