a: Mercury barometer ~
b: the water-in-a-trough experiment
What: "A mercury barometer is like the water-in-a-trough experiment - a tube of mercury standing in a reservoir, which is enclosed to avoid escape of poisonous mercury vapour. A small hole allows the changing atmospheric pressure to contact the mercury surface "
Useful?
Writer: Chris Fawkes, BBC Weather forecaster
LCC:
Where:
Date: Feb 6 2014 3:48 PM
#4828 Email metamia about this
No critique for this page.
Feel free to be the first
Feel free to be the first
Please review the linked page for context.
If you can think of something better than this,
please add it to the database