STATIC ELECTRICITY Use your understanding of static electricity to explain these pictures: 1. Ouch! 2. 3.

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STATIC ELECTRICITY Use your understanding of static electricity to explain these pictures: 1. Ouch! 2. 3.

Static charges can be dangerous STATIC ELECTRICITY Static charges can be dangerous

Static charges can be dangerous STATIC ELECTRICITY Static charges can be dangerous

Static charges can be useful STATIC ELECTRICITY Static charges can be useful

Static charges can be useful STATIC ELECTRICITY Static charges can be useful

Static charges can be useful STATIC ELECTRICITY Static charges can be useful The spray gun is charged positively, which causes every paint particle to become positively charged. Like charges repel and the paint particles spread out. The object to be painted is given a negative charge and so attracts the paint particles. The advantages of using this system are that less paint is wasted, the object receives an even coat and the paint covers awkward ‘shadow’ surfaces that the operator cannot see. OR VICE VERSA. Task: Draw and label a diagram to explain how an electrostatic paint gun works?

Static charges can be useful STATIC ELECTRICITY Static charges can be useful

Static charges can be useful STATIC ELECTRICITY Static charges can be useful

STATIC ELECTRICITY Draw the sentence There are positive and negative charges Opposite charges attract and like charges repel Static charges can be made by the action of friction on an insulating material Electrons are negatively charged Objects are charged positively by the removal of electrons Objects are charged negatively by the addition of electrons Static electricity can be dangerous (aeroplane refueling and gas stations) Static electricity can be useful (painting, photocopiers and removal of smoke from chimneys)

STATIC ELECTRICITY Draw the sentence

STATIC ELECTRICITY TRY AT HOME!