Electricity

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.

• A negative charge.

• A neutral charge

• No charge at all

Electrical charge built up on the surface of an object is called _________________.

• static electricity

• current electricity

• lightning

• electrons

The girl's hair and the comb are attracting  one another.  The hair and the comb have

• opposite charges

• like charges

Which subatomic particle has a POSITIVE charge?

• Proton

• Neutron

• Electron

• Nucleus

Is it possible to CREATE electrons?

• Yes, that's what static electricity is.

• No, you can move them, but they are never created or destroyed.

• Sometimes, it depends on the voltage.

• Sometimes, it depends on the element.

Which one of these is NOT part of an atom?

• proton

• neutron

• electron

• megatron

What is the center of an atom called?

(where the proton & neutron are found)

• axis

• nucleus

• electron cloud

• electric field

Similar charges will...

• attract

• repel

Which part of the atom has a negative charge?

• proton

• neutron

• electron

• nucleus

How does an atom become charged?

• entering a magnetic field

• gaining or losing electrons

• gaining or losing protons

• reversing its spin