FLIPPED CLASSROOM
A type of blended learning was introduced whereby students are introduced to content at home via video watching and practice working through it. It is a reverse of the traditionally practice of introducing new content, then assigning homework to completed by the students independently at home through e-learning.
Instruction:
Please watch & study the following videos on water hardness.
Video 1: Water Hardness
Video 2: Soft & Hard Water
The feedback