A simple and clear explanation of the grammar in the sentence about an albatross, designed for a 7-year-old student.
Let's look at the sentence: "An albatross spends most of its life flying over the sea, landing only to eat and to nest."
It is a very good sentence! It tells us that an albatross flies a lot over the sea and only lands to eat and to nest.
The grammar is correct because:
So, the sentence is grammatically correct and clear. Good job writing it!