To write a reflection on an experience or movie in English for junior high school level, you can follow these steps:

1. Begin with an introduction: Start by mentioning the title of the movie or the experience you're reflecting on. You can also share when and where you watched it.

3. Share your feelings: Talk about how the movie or experience made you feel. Use adjectives to describe your emotions.

4. Reflect on the themes: Mention any themes or messages you think the movie or experience was trying to convey.

6. Conclusion: End your reflection by summarizing your thoughts and feelings. You can also mention if you would recommend the movie or experience to others.

Here's an example of a reflection (assuming the movie is \