Create 10 practical methods to explain scientific content (e.g. physics, chemistry, biology) clearly and understandably in school lessons, so that students can better grasp complex issues and learn sustainably.

Context: [science, illustrative explanations, school lessons, visualization, experiment, models, everyday relevance, learning comprehension, didactics, student activation]

Goal: [make concepts and phenomena understandable, spark interest and curiosity, promote sustainable learning, consider different learning levels, practical applicability in lessons]

For each method explain:
1) a concrete approach or technique for illustrative explanation (e.g. use of models, experiments, analogies)
2) examples or suggestions for materials and media
3) tips for adapting to different age groups and learning groups

The methods should:
- cover various science subjects
- be suitable for both in-person and digital lessons
- support teachers in designing varied and understandable lesson units
- promote active participation and independent thinking of students