If your child is struggling with physics in junior high school, don't worry; it's a common challenge. Here are some strategies to help improve their performance:

1. Review the basics: Ensure that your child understands the fundamental concepts of physics, such as force, motion, and energy. If they struggle with these, seek resources or tutoring to fill in the gaps.

3. Create a study plan: Work with your child to create a weekly study plan, focusing on key topics and concepts. Set aside specific times for studying and practicing.

4. Use visual aids: Diagrams, animations, and videos can make complex physics concepts more understandable. Encourage your child to use these tools when studying.

Remember, improving grades takes time and consistency. By following these steps, your child can gradually improve their physics skills and confidence.