@ -31,16 +31,6 @@ themselves. In themselves, the titles of the chapters and sub-chapters are less
They can be changed easily, they are not the main structure.
#### Advice on how to structure this level 1
At this first level, think:
* What knowledge on this topic is useful in everyday life.
* Start from the actions and perceptions of the daily life, using the right vocabulary (example: the arm lever, the couple to remove a bolt with a jack, the figure skater, ...).
* What amazes us? (example, gyroscope, spinning top).
At this first level, chapter titles should be everyday words.
#### To participate
The different proposals are numbered: they start with :
