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Another word for 'movement' is ______.
The force between two moving surfaces or objects is called ________.
________ is where an object is moved around a fixed point.
The group collected Science data through careful ___________ of the experiment.
___________ means squeezing something up so it is smaller.
The children were surprised by the school's sudden _________ - it got much bigger!
The mechanic had to refit a new _______ on the broken car.
Good drivers __________ carefully.
__________ is the opposite of accelerate and means slow down.
Air __________ is friction caused by the air and is the force that works against gravity in a parachute.
________ is the force that stops boats sinking in water.
The Wright brothers flew the first _________.
His ___________ cycling helmet helped him reach high speeds.
___________ is another word for aerodynamic and means designed to reduce air resistance.
The ________ aid helped keep the weak swimmer afloat.
