Static Electricity

potential difference

If the ________ gets large enough, electrons can jump across the gap between the charged object and the earth- this is the spark.

material

The ________ that loses the electrons loses some negative charge, and is left with an equal positive charge.

certain insulating materials

When ________ are rubbed together, negatively charged electrons will be scraped off one and dumped on the other.

Only electrons move

never positive charges

friction

build up of static electricity is caused by_

sparks

too much static causes___

opposite charges attract

Same charges repel,______

jump gap between charged object and earth

if the potential difference is large enough, electrons can__________

electrically charged

Static leaves materials____

polythene and acetate rods

examples of static are_____