Water HappeningsWater Happenings

Abby BakerAbby Baker

9/30/099/30/09

IndicatorIndicator

• Indicator 5.3.5 Observe and explain that Indicator 5.3.5 Observe and explain that clouds and fog are made of tiny droplets of clouds and fog are made of tiny droplets of water.water.

• Taken from: Taken from: http://dc.doe.in.gov/Standards/AcademicSthttp://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspxandards/StandardSearch.aspx

• Link to activity: Link to activity: http://www.indianastandardsresources.orghttp://www.indianastandardsresources.org/files/sci/sci_5_3_water.pdf/files/sci/sci_5_3_water.pdf

DefinitionsDefinitions

• EvaporationEvaporation – to change from a liquid or solid state – to change from a liquid or solid state into vapor; pass off in vapor. into vapor; pass off in vapor.

• CondensationCondensation – the process by which atmospheric – the process by which atmospheric water vapor liquefies to form fog, clouds, or the water vapor liquefies to form fog, clouds, or the like, or solidifies to form snow or hail.like, or solidifies to form snow or hail.

• PrecipitationPrecipitation – the amount of rain, snow, hail, etc., – the amount of rain, snow, hail, etc., that has fallen at a given place within a given that has fallen at a given place within a given period, usually expressed in inches or centimeters period, usually expressed in inches or centimeters of water.of water.

• Water CycleWater Cycle – the natural sequence through which – the natural sequence through which water passes into the atmosphere as water vapor, water passes into the atmosphere as water vapor, precipitates to earth in liquid or solid form, and precipitates to earth in liquid or solid form, and ultimately returns to the atmosphere through ultimately returns to the atmosphere through evaporation. evaporation.

Pre-Activity DiscussionPre-Activity Discussion

• What happens when water is heated?What happens when water is heated?

• Have you ever put your hand above a Have you ever put your hand above a boiling pot of water? How does it boiling pot of water? How does it feel?feel?

• Can you think of any instances where Can you think of any instances where there are big droplets of water in the there are big droplets of water in the air?air?

• What makes up a cloud?What makes up a cloud?

ActivityActivity

• Put the coffeepot of water on the hotplate and Put the coffeepot of water on the hotplate and turn the heat up.turn the heat up.

• Fill the frying pan with ice cubes and when the Fill the frying pan with ice cubes and when the water in the frying pan begins to boil, hold the water in the frying pan begins to boil, hold the frying pan about six inches away above the coffee frying pan about six inches away above the coffee pot.pot.

• Focus on the bottom of the frying pan. Do you Focus on the bottom of the frying pan. Do you notice anything on the bottom of the frying pan?notice anything on the bottom of the frying pan?

• Focus on the condensed water on the bottom of Focus on the condensed water on the bottom of the frying pan dripping back into the coffee pot. the frying pan dripping back into the coffee pot. Why is the condensed water falling back into the Why is the condensed water falling back into the coffee pot?coffee pot?

Water CycleWater Cycle

BooksBooks

• Re Cycles Re Cycles by Micheal Rossby Micheal Ross

• The Water’s Journey The Water’s Journey by Eleonore by Eleonore SchmidSchmid

Questions for ReviewQuestions for Review

• How do you know the water turns How do you know the water turns into water vapor when it is heated?into water vapor when it is heated?

• What happens to water vapor when it What happens to water vapor when it cools? How do you know?cools? How do you know?

• What are clouds made of? How do What are clouds made of? How do you know?you know?

ReferencesReferences

• http://dc.doe.in.gov/Standards/http://dc.doe.in.gov/Standards/AcademicStandards/AcademicStandards/StandardSearch.aspxStandardSearch.aspx

• http://http://www.indianastandardsresources.org/www.indianastandardsresources.org/files/sci/sci_5_3_water.pdffiles/sci/sci_5_3_water.pdf

• http://cd7.e2bn.net/e2bn/leas/c99/http://cd7.e2bn.net/e2bn/leas/c99/schools/cd7/website/images/bp-schools/cd7/website/images/bp-watercycle1.jpgwatercycle1.jpg