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close this bookBiology Demonstration Manual (Peace Corps, 1993, 35 p.)
View the document(introduction...)
View the documentForeword
View the documentAcknowledgements
View the documentBibliography
View the documentClassification of living organisms
View the documentThe food chain game
View the documentGrowing peanuts
View the documentRoots
View the documentRoot hairs
View the documentVascular bundles
View the documentPresence of minerals in soil
View the documentNecessity of sunlight
View the documentTransport of water in plants
View the documentTranspiration
View the documentPresence of starch in leaves
View the documentPollination
View the documentSeed dissemination
View the documentSeed structure
View the documentCotyledons
View the documentNecessity of water for germination
View the documentRainfall on leaves
View the documentGrowth curve of a plant
View the documentGrafting
View the documentImportance of ground cover
View the documentCell-tissue-organ-system-organism
View the documentLength of the small intestine
View the documentEnzymes
View the documentThe three food groups
View the documentThree food groups homework
View the documentCarnivore and herbivore teeth
View the documentThe food chain game
View the documentLong capacity
View the documentModel lung
View the documentBlood circulation
View the documentHow physical activity affects heart and breathing rates
View the documentLocomotion
View the documentAntagonistic muscles
View the documentSuction
View the documentFern reproduction
View the documentMoss preservation
View the documentAre yeast living organisms?
View the documentYeast
View the documentYeast budding
View the documentNitrogen fixing nodules
View the documentAmoeba
View the documentBursting red blood cells
View the documentLength of a ténia
View the documentModel of a schistosome
View the documentAdaptations
View the documentMountain formation
View the documentArtesian well
View the documentBone structure
View the documentReflexes
View the documentTest for glucose
View the documentTest for starch
View the documentTest for fats
View the documentTest for proteins
View the documentCooling effect of sweat
Open this folder and view contentsMICROSCOPE PREPARATIONS

Cooling effect of sweat

Class: 3

Lesson: L'appareil excrur

Rationale: Demonstrate the cooling effect of the evaporation of sweat.

Materials:

cloth or cotton
alcohol (pharmacies)

Procedure:

1. Soak a piece of cloth in alcohol.
2. Swab the back of the student's hand.
3. Ask the students to report the effect of the evaporation.

Source: Silver Burdett Biology, p. 590.