154 - I'm afraid vs. I'm scared

Today I want to answer a student question about the phrases I'm afraid and I'm scared. Is there any difference between them? How do we use these in spoken English?

Lesson text: https://www.espressoenglish.net/learn-english-phrases-im-afraid-im-scared

Everyday English Speaking Course: https://www.espressoenglish.net/everyday-english-speaking-course