The sentence "Sheep wool makes soft and warm yarn." is grammatically correct! It clearly tells us that wool from sheep is used to make yarn that is both soft and warm.
Here's a quick breakdown:
- Sheep wool is the subject (what the sentence is about).
- makes is the verb (what the subject does).
- soft and warm yarn is what is being made (the object).
So, great job! This sentence is simple, clear, and correct.