- Work in group of five.
- Find out the placess where you can find fungi growing in the school compound.
- Use the hand lens to observe the fungi.
- Describe what you observe to the class.
- Record your observation in your Science Journal.
2012年11月28日星期三
Activity Fungi,Fungi, Where are you?
2012年11月21日星期三
Microorganisms can be harmful too
Here are some harmful effects of microorganisms.
- Some microorganisms that enter the body can cause illness.
- Eating food contaminated with microorganisms can cause food poisoning.
- Bacteria act on the food remains betwen the teeth. This produces acid which causes tooth decay.
- Food turns bad because of bacteria and fungi
2012年11月19日星期一
microorganisms is our friends
Microorganisms can be very useful in our daily lives.
- Tapai is a popular food in Malaysia. It is made from glutinous rice or tapioca. Yeast is added to make tapai.
- Yeast is also used to help dough to rise in making bread.
- Tempeh is another kind of food that uses yeast. It is made from soya bean. Look at the picture closely. Can you see the white structures?
- Bacteria and fungi cause dead organisms to decay to form natural fertilizers.
- Some bacteria can be used to make cheese and yogurt.
- Fungi are used to produce antibiotics
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