Thames & Kosmos Kids First: Biology Lab (V 2.0) handleiding
Handleiding
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— Rubriktitel Blindtext
5
Microscopy Basics
The water-drop
magnifying glass
You will need
– 2 Slides
– Pipette
– Glass filled with tap water
– Newspaper or book
Here’s how
1. Use the pipette to place a drop of water on the
slide (see illustration) and carefully set the
slide on the newspaper (or book). Now look
through the drop at the newspaper page.
2. Next, place another drop of water on the
second slide and hold this second slide above
the first one in such a way that you can look
through both water drops to the newspaper
beneath them. Can you find the optimal
distance between the two slides that will make
the writing appear even more enlarged than
when you use just one?
M
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You see the letters of the newspaper
enlarged as if they were under a
magnifying glass. Your microscope works
according to the same principle as this
“two-water-drop microscope.” Instead of
the water-drop lens, your microscope has
plastic lenses installed in its optical tube,
and the viewed object lies on a slide
clamped in place beneath them.
1
EXPERIMENT
1
W
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How to use
the pipette!
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Productinformatie
| Merk | Thames & Kosmos |
| Model | Kids First: Biology Lab (V 2.0) |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 24679 MB |
