Answer to Question 1
write something about your A-level Physics, you can be tempted to depend
too much on your spell check. It does not pick up every mistake.
Many students lose lots of marks because their writing is poor.
Sometimes they write rubbish.
Physics has lots of technical terms. It's going to be important to make sure that they're used properly. They will be explained during the course. For example, weight is a force, while current is read from an ammeter. Chemists use density, which is mass divided by volume.