ps02a –teach about water and solutions use with brishlab ps02a ps02a done by: coach
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PS02A –Teach AboutPS02A –Teach About
Water and Water and SolutionsSolutions
Use with BrishLab Use with BrishLab PS02A
Done By: CoachDone By: Coach
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1- How many 1- How many sidessides to a to a containercontainer do you do you
need for a need for a liquidliquid and why? and why?
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1- How many 1- How many sidessides to a to a containercontainer do you do you
need for a need for a liquidliquid and why? and why?
5 out of 6 – no top needed. Gravity holds it in.5 out of 6 – no top needed. Gravity holds it in.
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1- How many 1- How many sidessides to a to a containercontainer do you do you
need for a need for a liquidliquid and why? and why?
5 out of 6 – no top needed. Gravity holds it in.5 out of 6 – no top needed. Gravity holds it in.
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2- 2- ExplainExplain a a polarpolar moleculemolecule..
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2- 2- ExplainExplain a a polarpolar moleculemolecule..
The different ends of a water molecule The different ends of a water molecule have charges – like the poles of a magnet.have charges – like the poles of a magnet.
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2- 2- ExplainExplain a a polarpolar moleculemolecule..
The different ends of a water molecule The different ends of a water molecule have charges – like the poles of a magnet.have charges – like the poles of a magnet.
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3- Why is 3- Why is waterwater a “ a “specialspecial” ” moleculemolecule??
Use the word “Use the word “skinskin”.”.
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3- Why is 3- Why is waterwater a “ a “specialspecial” ” moleculemolecule??
Use the word “Use the word “skinskin”.”.
A paper clip can “float” on the skin of the water.A paper clip can “float” on the skin of the water.
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3- Why is 3- Why is waterwater a “ a “specialspecial” ” moleculemolecule??
Use the word “Use the word “skinskin”.”.
A paper clip can “float” on the skin of the water.A paper clip can “float” on the skin of the water.
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4- 4- Why does Why does iceice floatfloat??
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4- 4- Why does Why does iceice floatfloat??
Ice is less dense than water.Ice is less dense than water.
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4- 4- Why does Why does iceice floatfloat??
Ice is less dense than water.Ice is less dense than water.
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5- Why does a water 5- Why does a water moleculemolecule have a have a
slightslight chargecharge at both at both polespoles??
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5- Why does a water 5- Why does a water moleculemolecule have a have a
slightslight chargecharge at both at both polespoles??
Atoms are not the same on each end of a Atoms are not the same on each end of a water molecule so there is a slight charge.water molecule so there is a slight charge.
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5- Why does a water 5- Why does a water moleculemolecule have a have a
slightslight chargecharge at both at both polespoles??
Atoms are not the same on each end of a Atoms are not the same on each end of a water molecule so there is a slight charge.water molecule so there is a slight charge.
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6- What 6- What twotwo things things happenhappen to to
water at water at 100º100º C (212º F)? C (212º F)?
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6- What 6- What twotwo things things happenhappen to to
water at water at 100º100º C (212º F)? C (212º F)?
Water either evaporates or condenses at Water either evaporates or condenses at 100º C100º C
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6- What 6- What twotwo things things happenhappen to to
water at water at 100º100º C (212º F)? C (212º F)?
Water either evaporates or condenses at Water either evaporates or condenses at 100º C100º C
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7- What 7- What happenshappens to to waterwater to make it to make it
solidsolid and then into a and then into a liquidliquid??
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7- What 7- What happenshappens to to waterwater to make it to make it
solidsolid and then into a and then into a liquidliquid??
Removing heat turns liquid water into solid Removing heat turns liquid water into solid water (ice).water (ice).
Adding heat turns solid water (ice) into liquid Adding heat turns solid water (ice) into liquid water.water.
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7- What 7- What happenshappens to to waterwater to make it to make it
solidsolid and then into a and then into a liquidliquid??
Removing heat turns liquid water into solid Removing heat turns liquid water into solid water (ice).water (ice).
Adding heat turns solid water (ice) into liquid Adding heat turns solid water (ice) into liquid water.water.
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8- Why do we use 8- Why do we use saltsalt on an on an icyicy streetstreet??
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8- Why do we use 8- Why do we use saltsalt on an on an icyicy streetstreet??
Salt lowers the freezing point ofSalt lowers the freezing point of water so ice does not form. water so ice does not form.
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8- Why do we use 8- Why do we use saltsalt on an on an icyicy streetstreet??
Salt lowers the freezing point ofSalt lowers the freezing point of water so ice does not form. water so ice does not form.
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9- 9- SaltSalt in in waterwater is a is a solutionsolution. . SaltSalt is the is the solutesolute and and waterwater is the is the solventsolvent – there – there is more water than salt. is more water than salt.
How can you How can you rememberremember this? this?
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9- 9- SaltSalt in in waterwater is a is a solutionsolution. . SaltSalt is the is the solutesolute and and waterwater is the is the solventsolvent – there – there is more water than salt. is more water than salt.
How can you How can you rememberremember this? this?
The ‘The ‘uu’ in Sol’ in Soluute is what ‘te is what ‘uu’ put into the larger ’ put into the larger solvent.solvent.
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9- 9- SaltSalt in in waterwater is a is a solutionsolution. . SaltSalt is the is the solutesolute and and waterwater is the is the solventsolvent – there – there is more water than salt. is more water than salt.
How can you How can you rememberremember this? this?
The ‘The ‘uu’ in Sol’ in Soluute is what ‘te is what ‘uu’ put into the larger ’ put into the larger solvent.solvent.
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Para 12Para 12
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10- Why is 10- Why is waterwater known as known as
the “the “UniversalUniversal SolventSolvent”?”?
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10- Why is 10- Why is waterwater known as known as
the “the “UniversalUniversal SolventSolvent”?”?
Because so many things can be dissolved into Because so many things can be dissolved into water.water.
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10- Why is 10- Why is waterwater known as known as
the “the “UniversalUniversal SolventSolvent”?”?
Because so many things can be dissolved into Because so many things can be dissolved into water.water.
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Wrap It Up: - Wrap It Up: - DrawDraw and and colorcolor a a waterwater
moleculemolecule and the and the polarpolar chargecharge..
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Wrap It Up: - Wrap It Up: - DrawDraw and and colorcolor a a waterwater
moleculemolecule and the and the polarpolar chargecharge..
Image LinkImage Link