The diffusion may be defined as the movement of the solute particles from the region of the higher concentration towards the lower concentration. The ATP is not required in the diffusion process.
Facilitated diffusion is a type of diffusion in which molecules move along the concentration gradient by the use of protein molecules. The integral membrane proteins forms pores or channels that allow the movement of particles through these pores.
When doing a science lab, the conclusion is the part at the end of the lab where you describe what you've learned and whether or not your hypothesis was supported by your results.
