Meaning: This means the oven became hot and the cookies were cooked inside it.
Choice of Words: Oven is a device used for baking, and cookies are a type of baked food.
Alternative Expressions
The oven's heat cooked the cookies.
Meaning: This sentence also describes the process of baking cookies, but it focuses on the role of the oven's heat in cooking the cookies.
Choice of Words: The word "heat" refers to the hot air inside the oven. The word "cooked" means that the cookies have been heated to the point where they are ready to eat.
Baking cookies involves using an oven to heat them.
Meaning: This sentence explains that baking cookies requires the use of an oven to heat the cookies until they are ready to eat.
Choice of Words: The word "involves" means that baking cookies requires the use of an oven. The word "heat" refers to the hot air inside the oven.