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Force and motion 7th

Friction The rubbing of one object or surface against another.
Gravity is a force which tries to pull two objects toward each other.
Force an object's mass multiplied by its acceleration
Work Force x distance
phototropism the way a plant grows or moves in response of light [bends near light]
gravitropism the way a plant grows or moves in response to gravity [plants roots grow down stem grow up]
hydrorpism the way a pant grows or moves to the response of water[root moves near water]
thigmotropism the way a plant grows or moves in response of touch[growing vines]
Turgor pressure The pressure exerted on a plant cell wall by water. Hold the stem up.
tropism is negative when the plant moves away from the stimulus.. stem towards sky
tropism is positive when the plant moves towards the the stimulus roots going down
tropisms occur when plants respond to external stimuli
tropisms are movements caused by a plants growth pattern
Created by: KallyEvans