1) The dipping duck
2) Galileo's thermometer
3 Light engine
4) Willy-willy
5) Dust Storm
6) Cloud Colour
7) Global dimming
8) Temperature Inversions
9) Sun Halo
10) Water Evaporates below Boiling Point
11) Why sky is blue below 30km & black above
12) Why is temperature max reached after noon
13) Fog (glasses question)
14) Ozone hole in spring
15) What makes mountains in distance appear blue
16) Temperature range with latitude
17) When there is dew, there is no rain (dew & frost)
18) Eye of the cyclone
19) Jet Streams
20) Upwelling
21) Wind and Temperature
22) The Dishpan Experiment
23) Why do the trade winds flow from the northeast and southeast instead of directly from the east?
24) What is the Hadley cell and where is it found
25) As Height Increases, Pressure Decreases
26) Cloud bases are horizontal while tops are rounded
27) Colour of stars is related to their temperature, but colour of planets is not
28) Continental Air masses are colder than maritime air masses
29) Walker Circulation
30) Southern Oscillation Index
31) Coriolis Effect
32) Wreck of the Hesperus
33) Ekman spiral
34) Latent Heat
36) Why do hot and humid summer days feel hotter than hot and dry summer days even though the temperature is the same?
37) The West-Australian coast near Perth runs effectively north-south yet Perth experiences a south-westerly sea breeze rather than a westerly breeze
38) Leeuwin Current & diff in sea level
39) South westerly wind & its effect on WA currents/ why winter is mild
40) Balloon movement
41) Why sea breezes occur
1) The dipping duck:
Description
The duck is composed of two spherical cavities joined by a tube which starts in the neck of the puppet and goes on inside the lower cavity quite until the bottom. The object can rotate on a horizontal axis set about in the middle of the cavities. The lower cavity contains a very volatile