I believe the key to good teaching is VARIETY, so I like to break up a lesson by including various combinations of activities, such as short videos, experiments, discussion/group work, activities, worksheets and digital interactives. It is also important to cater for different abilities and learning styles so I use a lot of differentiated tasks and worksheets in class. I like to ask probing questions that encourage students to really think, or to take initiative and carry out their own Internet research.
I think it's important to create a learning environment that is fun and engaging, but it's just as important to ensure that students have a thorough understanding of basic concepts, so revision of content is something I tend to emphasise.