Spatial skills are important for student success in STEM disciplines at the K-12 educational level. Teachers' spatial skills and feelings about completing spatial tasks influence their teaching as well as their students' spatial learning. However, the relation between teachers' spatial skills and their spatial anxiety is not well understood. Here…

STEM instruction often uses visual representations. To benefit from these, students need to understand how representations show domain-relevant concepts. Yet, this is difficult for students. Prior research shows that physical representations (objects that students manipulate by hand) and virtual representations (objects on a computer screen that…