
Dust Mites
Stomata
Chemical change
Gallery
This gallery contains 4 photos.
We observed a chemical change. We burned a match and looked at it under a microscope Miscope. These are the results we obtained.
Red rose experiment
After ten mintes we took a glass of and saw changes on rose petal. Instead of red it became pink. We put one petal under a Miscope and saw a bunch of white spots all over it which were caused by sulfur-dioxide influence. This was very interesting and taughtful experience.
- petals: before (left) and after (right)
- petals: before (left) and after (right)
- under Miscope
- white spots
Metal after 15 days
Some things in water
And this we recorded when we mixed drop of blood with water:
Metal today, but not gone tomorrow :)
- before water treatment
- after 20 minutes
- after one day
Ionic bond
Goal: Students were noticing the structure of crystal by looking trough microscope and on creative way connected what they saw with their knowledge about chemical structure.
Students were separated in four groups and each group has its own task.
First group had a task to observe under the microscope difference compounds with ionic character: KMnO4, K2Cr2O7 and CuSO4. Magnification was 40 times.
Second group: They made crystal bar model of kitchen salt (NaCl) by using modeling clay and toothpicks.
Third group: They made Mg-chloride and Na-oxide puzzles by using cardboard.
Fourth group: They made comic whose characters (water, salt and nitrogen from the air) are explaining types of chemical bond between their atoms.
In the of the class all groups were presenting their results and were discussing looks of crystals. They came with a conclusion why some crystals have specific shapes.
Tooth adventure
- The tooth.
- One tooth is missing. :)
- You could see some layers.






























![class01 [ivo] class01 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class01-ivo-220x220.jpg)
![class02 [ivo] class02 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class02-ivo-220x220.jpg)
![class03 [ivo] class03 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class03-ivo-220x220.jpg)
![class04 [ivo] class04 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class04-ivo-220x220.jpg)
![class05 [ivo] class05 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class05-ivo-220x220.jpg)
![class06 [ivo] class06 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class06-ivo-220x220.jpg)
![class07 [ivo] class07 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class07-ivo-220x220.jpg)
![class08 [ivo] class08 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class08-ivo-220x220.jpg)
![class09 [ivo] class09 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/class09-ivo-220x220.jpg)
![kristal01 [ivo] kristal01 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal01-ivo-220x220.jpg)
![kristal02 [ivo] kristal02 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal02-ivo-220x220.jpg)
![kristal03 [ivo] kristal03 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal03-ivo-220x220.jpg)
![kristal04 [ivo] kristal04 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal04-ivo-220x220.jpg)
![kristal05 [ivo] kristal05 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal05-ivo-220x220.jpg)
![kristal06 [ivo] kristal06 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal06-ivo-220x220.jpg)
![kristal07 [ivo] kristal07 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal07-ivo-220x220.jpg)
![kristal08 [ivo] kristal08 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal08-ivo-220x220.jpg)
![kristal09 [ivo] kristal09 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal09-ivo-220x220.jpg)
![kristal10 [ivo] kristal10 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal10-ivo-220x220.jpg)
![kristal11 [ivo] kristal11 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal11-ivo-220x220.jpg)
![kristal12 [ivo] kristal12 [ivo]](http://www.microglobalscope.org/belgrade/files/2011/01/kristal12-ivo-220x220.jpg)
![tooth2 [ivo] The tooth.](http://www.microglobalscope.org/belgrade/files/2011/01/tooth2-ivo1-220x220.jpg)
![tooth0 [ivo] One tooth is missing. :)](http://www.microglobalscope.org/belgrade/files/2011/01/tooth0-ivo1-220x220.jpg)
![tooth1 [ivo] You could see some layers.](http://www.microglobalscope.org/belgrade/files/2011/01/tooth1-ivo1-220x220.jpg)