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The structure of the atom ELECTRON Negative PROTON Positive NEUTRON No Charge Simple Atomic Structure Two positive protons and two negative electrons Gain.

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Presentation on theme: "The structure of the atom ELECTRON Negative PROTON Positive NEUTRON No Charge Simple Atomic Structure Two positive protons and two negative electrons Gain."— Presentation transcript:

1 The structure of the atom ELECTRON Negative PROTON Positive NEUTRON No Charge Simple Atomic Structure Two positive protons and two negative electrons Gain an electron to become negative Lose an electron to become positive © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

2 + - + - + + - - - + + + - - + + + - - - Charging Up Rods Acetate Polyethylene Acetate positive Cloth Negative Polyethylene Negative Cloth Positive It’s all about moving electrons © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

3 + + + - - - - - - - - - Bringing Charges Together + + + + + + Attract Repel © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

4 The Electric Field This is a region where a charge experiences a force Positive Plate Negative Plate Neutral Point The field is from + to - © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

5 The Gold Leaf Electroscope + + + © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

6 - - -

7 The Test for Charge + + + The positive rod attracts the balloon So the balloon must be negative NO + + + Build up of negative charge on this side The balloon is uncharged © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

8 The Test for Charge is Repulsion - - - + + + This balloon must be negative This balloon must be positive © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

9 Uses of Static Electricity Spraying a Car Positive Car Negative Spraygun The paint spreads out as each negative drop repels No paint is wasted as the positive car attracts the negative paint © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

10 Removing Smoke from Power Station Chimneys Positive Plate Negative Plate Charge up the Smoke No smoke leaves the chimney © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

11 Earthing Petrol Tankers Petrol rubbing against the pipe can build up a static charge which could cause an explosion The tanker is joined to the ground with a wire to stop a charge building up © Teachable and saghir HUSSAIN. Some rights reserved. http://teachable.net/res.asp?r=1908

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