GCSE Separate Science Physics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Which particle in an atom has a negative charge? | Eletron
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| If an atom loses 2 electrons what will the charge of the atom be? | 2+ / 2 positive.
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| What types of materials can gain a static charge? | Insulators.
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| Why does your hair repel each other when they gain a static charge? | Because they gain the same charge and like charges repel each other.
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| What does “induction” mean?(1) | When an object becomes charged because it is brought close to an object that has a charge.
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| What are the possible charges of two objects if they attract each other when they are brought close together? | Positive – negative
Negative – positive.
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| What is the charge of an atom? | No charge / neutral.
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| Why is it called “static” electricity? | Because the charges cannot move.
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| What type of objects cannot become statically charged because the charges flow away too quickly? | Conductors
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| What particle moves when objects become charged? | Electrons
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| A polythene rod is rubbed with a cloth. If the cloth becomes positively charged, what is the charge of the rod? | Negative.
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| What causes you to feel an electric shock? | he flow of electrons through your body.
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| What is the name when excess charge is removed from an object? | Discharged / Earthed.
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| What force causes there to be a build up of charge in clouds? | Friction
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| What two ways can buildings be made safe from lightening? | Be earthed (connected to the ground), or use a lightening conductor.
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| What is used on fuel pipes to aircrafts to connect it to the Earth? | Bonding line.
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| What does “Earthing” mean? | To be connected to the ground / provide a path for charge to flow to the ground.
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| What is a force field? | A region of space around an object where another object can experience a force.
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| What is the name for the area around a charged object? | Electric field.
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| Draw the field lines around the object. | 1 mark for lines spreading outwards.
1 mark for arrows pointing outwards.
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| What is the name given to a single charge? | Point charge
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| How do you know from a diagram where a field is the strongest? | Where the field lines are closest together.
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| What does “uniform” mean? | The same in all places.
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| How could you generate a uniform electric field? | Between two parallel plates.
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| What direction would a negative charge move if it was placed to the left of a negative charge? | To the left.
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| What word is used to describe a field that spreads outwards from a point? | Radial.
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Created by:
Davenant Foundation School
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