# Science - P5

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What is a VECTOR?
A quantity with magnitude AND direction, e.g. Velocity, Weight and displacement.
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What is a SCALAR?
A quantity with magnitude only, e.g. Speed, Mass and Distance.
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What does SUVAT stand for?
SUVAT is an anagram for the words: Distance (S), Initial Velocity (U), Final Velocity (V), Acceleration (A) and Time (T).
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What is the FOCUS?
The focus is where light waves all converge on one point (the focus) to form a visible image.
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What does a CONVEX lens do?
A convex lens focuses light waves to a focus. However, they can also magnify or diminish the image.
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What are CONVEX lenses used in?
Convex lenses are used in: glasses, magnifying glasses, monocles, telescopes, cameras, projectors etc.
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What happens to light when is goes through a prism?
The light slows down and refracts, meaning that it bends, because of the decrease in speed.
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What can REFRACTION be used for?
Refraction is very useful for FIBRE OPTIC cabling, binoculars, telescopes and reflectors on bikes.
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What are satellites used for?
Satellites are used for communications, spying, weather forcasting, etc.
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What types of satellites are there?
There are three different types of satellites: Geostationary, Low Earth Orbit and Low Polar Orbit satellites.
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What is DIFFRACTION?
Diffraction is where waves going through a small gap diffract or spread out, forming curved waves.
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## Other cards in this set

### Card 2

#### Front

What is a SCALAR?

#### Back

A quantity with magnitude only, e.g. Speed, Mass and Distance.

### Card 3

#### Front

What does SUVAT stand for?

### Card 4

#### Front

What is the FOCUS?

### Card 5

#### Front

What does a CONVEX lens do?