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16 Cards in this Set
- Front
- Back
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Atoms have a ______ ______ with ______ moving around it.
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Central nucleus.
Electrons. |
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What makes up most of the mass of an atom?
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Nucleus
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Protons are ______ charged
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Positively
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Neutrons are ______
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Neutral
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Electron. Proton. Neutron.
Wich has the smallest mass? |
Electron
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Build up of static is caused by ______.
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Friction
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Opposite charges _____
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Attract
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Like charges ______
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Repel
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Static electricity can cause _____ ____ or ____
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Little sparks
Shocks |
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Earthing.
Electrons flow ____ the conductor if the charge is negative. |
Down
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Earthing.
Electrons flow ____ the conductor if the charge is positive. |
Up
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Electric current is the ____ of ___ of charge.
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Rate.
Flow. |
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Charge =
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Current x Time
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Current =
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Charge / Time
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Batteries supply ______ current.
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Direct
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Direct current flows.......
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.....in the same direction.
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