Praktická cvičení z fyziky


Praktická cvičení z fyziky
Praktická cvičení z biologie
Anglická verze
Sense of sight
Model of a human eye
Simpler model of an eye
Long-sightedness (hyperopia)
Concave lens
shade (retina)
Short-sightedness (myopia)
Convex lens
Sense of smell
Does the man have good sense of smell?
Which animals have good sense of smell?
Try to decide by smelling what there is in small bags.
Sense of touch
Look at a model of the skin surface.
What animals do orient by touch?
Tie up your eyes. Try to recognize what is on the plastic pictures.
Sense of hearing
Tie up your eyes. Listen carefully sounds and write what can you hear.