Search found 40 matches
- 08 May 2007, 15:00
- Forum: Biology, Physics...
- Topic: disposing of Agar plates
- Replies: 20
- Views: 8104
- 03 May 2007, 08:43
- Forum: Chemistry and Labware - General
- Topic: SUBLIMATION
- Replies: 4
- Views: 2216
Bindi, Do you have a hospital near you? I ask because they may get their own order of dry ice in and be willing to let you have a couple of Kg (you will need 2kg min to last the day). Alternative talk with your blood collection agencys (pathology collectors) as they use dry ice for storage of certai...
- 02 May 2007, 12:34
- Forum: Sourcing Materials & Eq Repairs
- Topic: SLINKY STORAGE
- Replies: 11
- Views: 4416
- 02 May 2007, 12:32
- Forum: Chemistry and Labware - General
- Topic: SUBLIMATION
- Replies: 4
- Views: 2216
- 02 May 2007, 11:27
- Forum: Chemistry and Labware - General
- Topic: Boiling Chips
- Replies: 10
- Views: 4104
- 01 May 2007, 13:37
- Forum: Chemistry and Labware - General
- Topic: Artificial Ore
- Replies: 21
- Views: 7853
Hello Tracy, Lada information is the combination we use. In fact our weak acid is vinger. Took this route because after several attempts of the Copper sulphate version I never got it working just right, but best type was to mix the plaster with 1M dirty copper sulfate, half pour into container, add ...
- 01 May 2007, 11:55
- Forum: Chemistry and Labware - General
- Topic: Artificial Ore
- Replies: 21
- Views: 7853
- 30 Apr 2007, 12:59
- Forum: Chemistry and Labware - General
- Topic: Year 10 DNA Pracs.
- Replies: 24
- Views: 15681
DNA experiment
Mother, A modified extraction prac with strawberries. Can use Kiwi fruit as alternative. Materials: •1 heavy duty zip-lock bag •Cheesecloth or 'Chux' wash cloth •Wooden coffee stirrer •Funnel •Test tube •1 strawberry (cut into quaters and frozen/defrosted to aid m...
- 10 Apr 2007, 07:26
- Forum: Chemistry and Labware - General
- Topic: Powder for dish washers
- Replies: 12
- Views: 5323
- 30 Mar 2007, 11:25
- Forum: Biology, Physics...
- Topic: Year 8 endothermic Prac
- Replies: 10
- Views: 4108
- 29 Mar 2007, 14:31
- Forum: Biology, Physics...
- Topic: Magnets covered in Fe Filings
- Replies: 9
- Views: 4654
- 29 Mar 2007, 08:17
- Forum: Safety with Chemicals
- Topic: I Should Have Stayed In Bed
- Replies: 27
- Views: 8858
Hello all, When it come to being away, sick leave is one thing, but last year I was away for study reasons for 4 weeks split by a holiday. I work during the holiday to clean up from the week I was away, and to prepare for the further 3 weeks. On my return it took me 2 weeks to return the labs to fun...
- 29 Mar 2007, 08:09
- Forum: The Lab Tech Position
- Topic: What to do over the hols?
- Replies: 13
- Views: 6131
Holidays??? I work 5 weeks out of term time, term is only 38 week, 37 this year due to EQ being 41 weeks. The week before school is preperation of student folders and timetable stuff, eg sorting out room issues, eg physics in biology room when biology is in physic room. Between terms I clean desks a...
- 28 Mar 2007, 08:13
- Forum: Safety with Chemicals
- Topic: I Should Have Stayed In Bed
- Replies: 27
- Views: 8858
A wonderful word to use of Teachers
Hello everyone, Here is a wonderful word some of us need to use with teachers NO I have had to use it several time this week as teachers have asked for last minute practicals to fill in lessons. We know how long it takes to prepare work, and we should be like Scottie (Star Trek) and always give teac...
- 27 Mar 2007, 07:57
- Forum: Safety with Chemicals
- Topic: sand & sawdust separation
- Replies: 4
- Views: 2309
Alterntave fill in
Hello, Our year 8 fill in activity is seperating a mixture of Iron filings, sand and salt. They use magnet for iron, add water to dissolve salt and filter sand then evaporate the water to get the salt. Extention is to collect the water during evaporation (they have to ask me for a distilitation kit....
- 19 Mar 2007, 09:56
- Forum: Chemistry and Labware - General
- Topic: Agar Plates
- Replies: 9
- Views: 4365
Nutrient Broth
Does your agar have nurtient broth in it? It sound like you only have the agar which is only a setting agent, bot a food source for the bacteria. On another point, letting students cough onto the plate is not advisable as it is not allowed due to WH&S for Qld. There are several different previou...
- 15 Mar 2007, 14:29
- Forum: Safety with Chemicals
- Topic: Moving equipment between floors
- Replies: 4
- Views: 2249
Moving equipment between floors
Hello Everyone, I have been asked by the Principle to find out what methods of moving equipment and chmeicals are existing, or being planned in schools. We have science laboratories spread between three floors and no means of lifting equipment other than my legs. We are also looking at saftey becaus...
- 15 Mar 2007, 07:57
- Forum: Jobs Forum
- Topic: chemical labels
- Replies: 10
- Views: 5604
Return to Chemwatch disks
Hello, Chemwatch on the internet does not so lables and is so user inflexable :mad: I returned to the CD version of the program. :-) Does all the lables as it always has done. Chemwatch on the internet was a lesson in the principle that just because something is new does not make it better. :!: Rega...
- 12 Mar 2007, 09:58
- Forum: The Lab Tech Position
- Topic: Notice for lab requests
- Replies: 10
- Views: 4795
Set up YOUR System
Hello Anastasia, When I started I was the first laboratory assistant at this school. I have been here 4 year now and am still training the teachers. I have a one day notice rule for common pracs and demos, two weeks to a month for dissections and as much time as they can for new complex experiements...
- 06 Mar 2007, 14:21
- Forum: Chemistry and Labware - General
- Topic: Limewater sediment
- Replies: 8
- Views: 3593
A really tall bottle
Hello,
The best way to prevent the CaOH from clouding the lime water is to store it in a really tall bottle, we use some old style glass cordial bottles with the leaver stopper.
With the tall bottle you are less likley to disturbe the sedemint on decantering.
Regards
Michelle
The best way to prevent the CaOH from clouding the lime water is to store it in a really tall bottle, we use some old style glass cordial bottles with the leaver stopper.
With the tall bottle you are less likley to disturbe the sedemint on decantering.
Regards
Michelle