33
The world invisible to the eye
Textbook: Part 2, pp. 34–37
GoalLearn about germs (microbes); say what a microscope is.
New words
microbe, germ · mikrobmicroscope · mikroskopdrop · tomchiillness · kasallik
Explanation
Around us there are tiny living things we cannot see: microbes. They can be seen only through an instrument that makes things look bigger: a microscope. The word “mikros” means “small” in Greek. Some microbes are useful, some bring illness. The textbook begins Saida Ibodinova’s story “Suhrobjon va Mikrobjon”, in which a boy who dislikes washing meets the idea of microbes.
Worked examples
“Under the microscope”. In the school science club the children looked at a drop of water through a microscope. Very tiny creatures invisible to the eye were swimming there. The teacher said they are called microbes. Some microbes are useful, some bring illness. That is why we wash our hands with soap.
Tongue twister: Sovun sovuq suvda suzdi. (The soap floated in cold water.)
Class activity
“Invisible creatures”: children imagine and draw microbes and say 1 sentence on “How does soap chase microbes away?”
Practice
1
What did the children look at under the microscope?
A drop of water
2
What did they see there?
Very tiny creatures
3
Are all microbes bad?
No, some are useful.
4
What is a microscope for?
To see tiny things enlarged
5
Why do we wash our hands with soap?
To get rid of germs that bring illness.