Start a 10-Day Free Trial to Unlock the Full Review
Why Lesson Planet?
Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!
Students investigate coal samples and analyze its drying loss under controlled conditions. They establish the loss in mass of a sample when heated under controlled conditions of temperature.
3 Views 1 Download