1st Law of Thermodynamics

Royalty Free Images for Teachers
Thumbnails link to 800 by 600 slides.

Expanded piston

Expanded piston

IMC CC Noncommercial

Compressed piston

Compressed piston

IMC CC Noncommercial

Automobile jack

Automobile jack

IMC CC Noncommercial

Bomb calorimeter

Bomb calorimeter

IMC CC Noncommercial

Dewar's flask

Dewar's flask

IMC CC Noncommercial