This is an engaging powerpoint that i made that really helps explain electrolysis. i used this as a revision lesson for Year 10, but you can take pieces of this to teacher an entire lesson on electrolysis.
engaging distillation worksheet. works very well with low ability groups to help them understand the concept of distillation. Also works well with top sets by removing the key word bank. You can take this worksheet further by asking students questions that can help challenge them from the worksheet, like for example, what temperature would the thermometer read at point B etc.
using the concepts of evaporation and condensation, students are challenged with this small analogy as a starter. It get them thinking about how they would produce water with the equipment they are given.