Thursday, January 17, 2019

How do you prepare agar soaked with indicator?


How do you prepare agar soaked with indicator?





2 packs of agar white powder in 1 litre water, bring to a boil. 
add in Universal indicator (abt 3 drops)
pour into container/mould (any container will do)
put in fridge and let it set overnight






But only during cooling part, not during heating.  Your methyl orange might be flammable.  https://www.cdhfinechemical.com/images/product/msds/43_1892059653_MethylOrangeIndicatorSolution-MSDS.pdf

source: Joelle JurongWestSS

Wednesday, January 2, 2019

Links for EVG Science Teachers



Hi All,
Below are the links to sharing folder, Gdrive & blogspot :-




 

G+ drive

Sharing folder

Safety features, procedures & checklist for science teachers


 

REQUISITION FORM


 


SCIENCE LAB BOOKING LOCATION


 

Precaution in Science Experiment


 

GCE O Question Papers



Explosive Precursors Record


 

CHEMISTRY STOCKLIST


 

PHYSICS & STATIONERY STOCKLIST


 

bIOLOGY & MAINTENANCE STOCKLIST


 

SCIENCE PURCHASE


 

BREAKAGE LOAN ITEMS RESOURCES


 

SCIENCE LAB MGMT AND SAFETY HANDBOOK