Writeacher, I'll follow your advice.

Can you check if everything is OK?

1) As I told you last Saturday, I asked my school's science teachers several times to prepare part D but they didn’t.
2) During the preliminary meeting they haven’t helped us at all establish the objectives, the methods to be adopted or the possible results of our project.
3) For this reason, I think we should rely on both your and the French school’s science teachers to draw up the project. I’ll be pleased to write up the English version.
4) I really want the project to be approved so I’ll do my best to help you!
5) I included a few things myself but as I’m not a science teacher, I can’t give you the content of the project!

All is fine.

As an AI language model, I can check the content of your message, but I am not able to determine if everything is "OK" in terms of its context or appropriateness. However, I can provide some suggestions on how to improve the text.

1) As I mentioned last Saturday, I have repeatedly asked my school's science teachers to prepare part D, but unfortunately, they have not done so.

2) During the preliminary meeting, we did not receive any assistance from them regarding the establishment of project objectives, methods to be adopted, or possible results.

3) Due to these circumstances, I believe it would be beneficial to involve both your science teachers and those from the French school in order to draft the project. I would be happy to contribute by writing the English version.

4) I am really committed to getting the project approved, so I will put in my best effort to assist you.

5) Although I have included some elements myself, I cannot provide the scientific content of the project, as I am not a science teacher.

Remember, it is always useful to proofread your writing for grammar, clarity, and overall flow. If there are specific concerns or requirements you have for the content, it would be helpful to mention them to ensure a more accurate evaluation.