About Temperature
This site will probably tell you more about temperature than you want to know.
http://www.unidata.ucar.edu/staff/blynds/tmp.html

Cones
This interactive site gives you a chance to practice calculating volumes of cones.
http://www.gomath.com/geometry/cone.php

Cylinders
This site gives you a chance to practice calculating volumes.
http://www.education2000.com/demo/demo/botchtml/volcylin.htm

Spheres
This interactive site gives you a chance to practice calculating volumes.
http://www.gomath.com/algebra/sphere.php