What is a coil of wire with many loops through which an electric current passes
100
What is a series circuit?
What is a simple circuit or electric charge can flow in one path
100
If a magnet breaks what happens.
What is each magnet will have a new North-seeking and south-seeking poles
200
North-seeking to South-seeking ends of a magnet
What is attract
200
What is an insulator?
What is materials that do not become charged easily
200
What type of energy is produced when a coiled wire is spun around a magnet?
What is electrical energy
200
What is a parallel circuit?
What is a circuit that has 2 or more paths for the electric charge to follow
200
Today are homes wired with series circuits or parallel circuits. Why?
What is parallel circuits because appliances will continue to run it one goes out and because appliances use different amounts of electricity
300
Positive particles on a balloon and negative particles on a wall.
What is attract
300
Which one would be a good conductor of a closed circuit?
Wood, plastic, copper, rubber
What is copper
300
Name 2 gadgets that use electromagnets that you probably use everyday
What is TV, fan, DVD, computers, doorbell, motors
300
In a series circuit what would happen if one wire or a light bulb goes out?
What is the whole circuit will go off.
300
Why does a compass point in a north-south direction?
What is the needle reacts to the Earth's magnetic poles.
400
If there are positive charged particles at the ground what type of particles need to gather at the bottom of a cloud for the release of lightning will occur.
What is negative particles
400
Which material would be a good insulator - iron, copper, rubber, silver
What is rubber
400
What are some ways an electromagnets strength can be increased?
What is add more coils, larger core, increase energy's supply
400
What would happen if one wire or bulb went off in a parallel circuit?
What is the other lights would still work
400
Where is the magnetic field the strongest on a magnet?
What is at the poles
500
A ______________ object ____________ a positively charged object.
What is positively charged, repels
500
What is the purpose of insulating wire
What is insulation prevents the electric charges from coming in contact with other wires
500
Electromagnets help convert _____________ to ____________ to ____________.
What is electric energy to magnetic energy to mechanical energy
500
Do you need an open or closed circuit for electricity to flow?
What is closed circuit
500
What is static electricity?
What is when positive and negative charges no longer balance?