P1 Electricity OCR GCSE

An atom contains (tick all that apply)

• electrons

• protons

• positrons

• neutrons

• gravitons

which subatomic particles are contained in the nucleus (choose all that apply)

• electrons

• protons

• positrons

• neutrons

which subatomic particles are NOT bound in the nucleus and can move (tick all that apply)

• protons

• electrons

• neutrons

• positrons

When a balloon is rubbed against a jumper, what are rubbed on or off the balloon? (tick all that apply)

• protons

• electrons

• atoms

• neutrons

• positrons

What is the charge on an electron?

• positive

• negative

• no charge (neutral)

What is the charge on a proton?

• positive

• negative

• neutral (no charge)

An acetate rod is rubbed with a cloth and become positively charged. Which of these statements is correct? (tick all that apply)

• electrons are rubbed off the rod by friction

• protons are rubbed onto the rod by friction

• electrons are created by the heat of the cloth rubbing the rod

• positrons are rubbed off the cloth onto the rod by friction

• the cloth will become negatively charged

If a metal rod is rubbed with a cloth it does not become charged. Why?

• Metal is a conductor, so it gets hot instead

• Metal is a conductor, so electrons will move from other parts off the rod to replace any that are rubbed off

• Metal becomes shiny instead

• Metal is a conductor, so makes music instead

Which of these are insulators or insulating materials? (tick all that apply)

• rubber

• cloth

• plastic

• metal

• glass

Electric current is the flow of.......

• protons

• electrons

• electricity

• atoms