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Year 8 HWK 2

Year 8 Motion and pressure Homework

TermDefinition
What is the name given to how much distance is covered in a certain time? Speed
What is the name for when different observer’s judge speeds differently if they are in motion too? Relative motion
What is the name given to how quickly speed increases? Acceleration
What is the name given to a substance with no fixed shape: a gas or a liquid? Fluid
What is the name given to the ratio of force to surface area? Pressure
What is the name given to the upward force that a liquid or gas exerts on a body floating in it? Upthrust
What is the name given to the pressure caused by the weight of the air above a surface? Atmospheric pressure
Created by: Windypicks
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