Across
- 6. you usually do some experiments there
- 7. a series of lessons or lectures on a subject
- 9. a short essay
- 10. you learn something about behaviour of natural things in this lesson
Down
- 1. to sign up your name on a list
- 2. a document showing that you have completed part of your education
- 3. at a high or difficult level
- 4. something written by hand
- 5. teachers write on this with a piece of chalk
- 8. a short piece of writing to help you remember sth