Comblab project finished in December 2014. In this website you can download Comblab teaching materials ready to be used in several languages. Currently most Comblab partners go on working with MBL for secondary science.

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Pressure Sensor

PLANTS AND OXYGEN Can plants be dangerous in a bedroom?

Jane and Sue are friends and they have not met each other for a long time. Both of them love flowers and plants, especially Sue has apartment full of plants; they are everywhere, in the living room, in the bedroom, in the kitchen. When Sue came to visit Jane, Jane had no flowers in the bedroom. When Sue asked about it, Jane explained immediately: “In the dark at night, flowers do not produce oxygen, in contrary, flowers consume it. Hence, sleeping people cannot breathe very well and sleep is not very good. And, if the windows are closed, people can be in danger.” Can it be true?


THE LIFE OF YEAST How much do you know about fermentation?

Mr. Walker has bought a new factory to start producing ethanol. The factory has several types of rooms and as Mr. Walker does not want to pay a lot of money for reconstruction, so he needs to find out which room is the best for fermentation process. Room U.1, in the basement below ground level, has permanent low temperature (0-5 °C); room 1.1, on the first floor, is usually 15-20 °C; on the same floor there is a room 1.7 above the gas boiler, which is from the boiler heated up to 35-40 °C. Mr.


The life of yeast

Measuring factors (especially temperature) influencing fermentation via gas pressure sensor.


The life of Yeast

How much do you know about fermentation?

This activity is focused on studying of factors influencing activity of yeast in production of ethanol.