definitions s click for each heading then for the answer study
TRANSCRIPT
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Definitionss
Click for each heading
then for the answer
STUDY STUDYSTUDY
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Solute
• The substance that gets dissolved e.g. sugar
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Solvent
• The liquid that does the dissolving e.g water
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Solution
• Solute and solvent mixed together • e.g. sweet tea
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Soluble
• Means something will dissolve
• Copper sulphate is soluble in water
• but gloss paint is insoluble in water
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Sound
• Is a form of energy caused by vibrations
• Measured in decibels
• Needs a medium to travel through
• Echo is reflected sound
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Speed
• Speed = Distance
Time
• m s-1
• Dad’s Silly Triangle
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Salt
• Formed when an acid and base neutralise each other
• H in acid is replaced by a metal
• Sodium Chloride and Calcium chloride
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Sense organ• Organ used to collect information about the
environment ( inside or outside) • Eyes –detect light(seeing) • ears - detect sound (hearing)• skin – detect contact (touch)• nose – detect chemicals in air (smell)• tongue – detect chemicals in food
(taste)
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Sensitivity
• Ability of an organism to react to stimulus
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Screening
• Stage 1 in water treatment• twigs and rubbish are removed by a wire
mesh
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Settling
• Stage 2 in water treatment
• large particles sink to the bottom of the a settlement tank.
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Soft Water• Makes a lather easily with soap
• Check – do I know hard water – • cause,
–Calcium ions dissolved in water
• Removal
–Ion exchanger takes out Calcium ions
• advantages
–Tastes good, good for bones and teeth and brewing
• Disadvantages
–Wastes soap , limescale blocks pipes
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• Do I know it??
• Solute
• Solvent
• Solution
• Soluble
• Sound
• Speed
•Salt •Sense organ•Sensitivity •Settling •Screening •Soft water