Science vocabulary
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motion |
Another word for 'movement' is motion.
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friction |
The force between two moving surfaces or objects is called friction.
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rotation |
Rotation is where an object is moved around a fixed point.
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observation |
The group collected Science data through careful observation of the experiment.
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compression |
Compression means squeezing something up so it is smaller.
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expansion |
The children were surprised by the school's sudden expansion - it got much bigger!
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combustion |
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exhaust |
The mechanic had to refit a new exhaust on the broken car.
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accelerate |
Good drivers accelerate carefully.
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decelerate |
Decelerate is the opposite of accelerate and means slow down.
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resistance |
Air resistance is friction caused by the air and is the force that works against gravity in a parachute.
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upthrust |
Upthrust is the force that stops boats sinking in water.
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aeroplane
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The Wright brothers flew the first aeroplane.
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aerodynamic |
His aerodynamic cycling helmet helped him reach high speeds.
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streamlined |
Streamlined is another word for aerodynamic and means designed to reduce air resistance.
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buoyancy |
The buoyancy aid helped keep the weak swimmer afloat.
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* This sentence was added by a Spellzone user.
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