Presentation is loading. Please wait.

Presentation is loading. Please wait.

Slide show 1 Session 1.

Similar presentations


Presentation on theme: "Slide show 1 Session 1."— Presentation transcript:

1 Slide show 1 Session 1

2 How can we see very small objects?
A fly A hair a spermatozoon An atom An ovum 2

3 How can we see very small objects?
A magnifying glass 3

4 Because of the glass? EXPERIMENT...
2: Why a magnifying glass or a microscope allow to see very small objects? Because of the glass? EXPERIMENT... 4

5 An ocular A lens 5

6 -1- Classify these objects
don't modify  -2- These objects enlarge what? decrease 6

7 1000 times smaller 1000 times smaller millimeter mm micrometer μm
nanometer nm A hair Animal cells atom 7


Download ppt "Slide show 1 Session 1."

Similar presentations


Ads by Google