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What are magnets made of
Nickel, Cobalt, steel and iron
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What does transparent mean
Light goes through and you can see through
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What does translucent mean
Light goes through, but you can just about see through
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What does opaque mean
Light can't travel through. You can see through either
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What is the formula for pressure
Pressure = Force divided by area
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How do we see objects?
We see them when it is reflected into our eyes
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What happens to opposite poles on a magnet
They get attracted to one another
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What is a domain on a magnet
A group of atoms
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The atoms have to be in a magnet
Lined up so that they are magnetised
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What is the difference between North and true north
They are not in the same place
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What is an eclipse
It is an astronomical event that occurs when an object is temporarily obscured
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What are the two eclipse's
Lunar and Solar
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What is a solar eclipse
This is when the moon blocks the sun and lights up, and the earth is dark
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What is a lunar eclipse
A lunar eclipse is when the moon passes directly into the earths shadow. This can only occur when the sun, moon and earth are aligned.
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What is a magnetic field
A magnetic field is the magnetic affect of electrical currents
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How many volts does the main electricity have
230 volts
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Safety rules
Don't poke your fingers in a pocket, never touch with wet hands
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What is light
Light is an electromagnet radiation
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Why does the image through a pinhole camera look upside down
It is because light travels in straight lines
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What is hydraulics
Hydraulics are water powered, say if it goes down one side it goes up the other.
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Other cards in this set

Card 2

Front

What does transparent mean

Back

Light goes through and you can see through

Card 3

Front

What does translucent mean

Back

Preview of the front of card 3

Card 4

Front

What does opaque mean

Back

Preview of the front of card 4

Card 5

Front

What is the formula for pressure

Back

Preview of the front of card 5
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