On 13.01.2011r. took place the next class of mathematical sciences - natural sciences.
Topic Experiment 1: Effect of flying coins.
Observations: Observed
coin after adding water to the bottom of the vessel appears to be larger and located closer to the surface.
Conclusions: This phenomenon occurs
because rays reflected from the coin is bent during passage through the border of water and air. Experiment 2
Topic: Off tsp.
Observations:
spoon seemed to be the most articulated in the water, which was dissolved in 3 teaspoons of salt.
Conclusions: Light runs from the spoon, and before getting into the eye of the observer collapses the border between two media: water and air. It runs from the denser medium to rarer medium. Experiment 3
Subject:
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