physics

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  • Created by: kt1234
  • Created on: 18-06-16 14:14
what charge do electrons have
negative
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what charge do neutrons have
neutral
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what charge do protons have
positive charge
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if an object gains electrons what is its charge
negative
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2 examples of insulators
wood plastic
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2 examples of conductors
iron copper
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if the resistance in a circuit is high then the current is ...........
lower
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how should ammeters be connected
in series
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how should voltmeters be connected
in parallel across the component
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what do like charges do
like charges repel
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what do unlike charges do
unlike charges attract
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what does moving charge become
current electricity
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losing charge to the ground is called
discharging
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what is current
current is the movement of electrons , the amount of charged particles that pass a certain point every second
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what is voltage
voltage is the energy per unit charge
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the bigger the voltage......
the higher the current
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what is resistance measured in
ohms
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what is resitance
resistance is the opposition to the flow of current
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high resistance........
low current
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the unit of current
amps
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if you add more bulbs to a parallel circuit what happens to the brightness
it stays the same
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what is static electricity
the build up of charges on an object
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what is heat
heat is a type of energy
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how does adding impurities affect the boiling point
increases it
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how does adding impurities affect the melting point
decreases it
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what is happening when solids expand
particles get more energy so create more space between them
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what are the colour primary colours
blue, red, green
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what two colours make up yellow
green red
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what two colours make up magenta
red blue
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what two colours make up cyan
blue green
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what does a blue filter do to blue light
it TRANSMITS it
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what colour in the spectrum bends the most
violet
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what is the order of the colours in the spectrum
red orange yellow green blue indigo violet
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why does light get split up by a prism
because the light refracts at different amounts
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what is pressure measured in
Pa pascals
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what is weight (force) measured in
newons
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if force increases
pressure increases
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if area increases
pressure decreases
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increasing the pressure on ice ..
decreases the melting point
39 of 40
water pressure increases with
depth
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Other cards in this set

Card 2

Front

what charge do neutrons have

Back

neutral

Card 3

Front

what charge do protons have

Back

Preview of the front of card 3

Card 4

Front

if an object gains electrons what is its charge

Back

Preview of the front of card 4

Card 5

Front

2 examples of insulators

Back

Preview of the front of card 5
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