Electricity and magnetism

All matter is made of

• Charges

• Energy

• Particles

• Flow

Objects are neutral when they have

• Only positive charges

• Only negative charges

• Same number of positive and negative charges

• No positive or negative charges

Objets with opposite charges

Electric current is when

• Negative charges flow along a path

• Positive charges flow along a path

• Neutral objects rub with each other

• Negative charges become positive charges

Which is a good electrical conductor?

• Silver

• Gold

• Iron

• All are correct

When the electricity flows easily through the material, it is electrical

Opposite poles

• Repel each other

• Attract each other