electricity
It's magnet works when there is electricity.
electromagnet
It is the flow of electrical current from the generator to the conductor to the receptor.
electric circuit
Two poles that continuesly move because of the movement of the Earth's core.
magnetic poles
Two poles that are fixed in their places in the North and in the South of the Earth.
Geographical poles
What will happen if the magnets are near and with different poles?
attract each other
Does lightning strike at the same place?
Yes
Luminous energy is when a light bulb lights up with the use of electricity. True or false?
true
Microwave is an example of thermal energy. True or false?
true
The Earth´s core is made of water. True or false?
false
Iron, copper, and nickel are good insulators. True or false?
false
Metal like copper wire is used in an electrical circuit because it is a good __________.
conductor
Potatoes, lemons, limes are also good __________.
conductors
rubber, glass, wood, and plastic are good ________
insulators
To protect us from electrocution we need to wear gloves when holding an electrical wire. True or false?
true
What are protons?
positively charge particles
What are electrons?
negatively charge particles
Electromagnets are always permanent. True or false?
false
Permanent magnets work without electricity. True or false?
true
It protects the Earth from the sun and causes the formation of auroras.
Earth´s magnetic field
When electrical charges from the clouds hit the electrical charges from the ground.
lightning
It is the accummulation of the electrical charges on the surface of an object.
static electricity
Which does not belong in the group?
glass, wood, copper, rubber
copper
What will happen to the magnets when they are near each other and have the same poles?
repel
In an electric circuit which is the generator of energy?
battery
False