Anxiety
Here are some useful links if you feel that your child is showing signs of anxiety:
https://www.mentallyhealthyschools.org.uk/mental-health-needs/anxiety/
If your child feels worried or anxious, creating a worry box together might help them. Details of how to make a worry box can be found here: https://youngminds.org.uk/blog/how-to-make-a-worry-box-a-guide-for-parents/
Conversation starters are also attached and these offer a good starting point to talk about these feelings and worries.