"Two heads are better than one."
This age-old adage contains a lot of wisdom when related to incorporating best teaching practices for STEM: The ability to collaborate is essential in our modern, information-rich workplace.
Over the past 10 years there has been a focused and well-researched shift for STEM education to be based on hands-on, inquiry-type activities. The afterschool environment is perfect for implementing these types of activities.
Spatial thinking, or reasoning, is the capacity to mentally or physically understand the location and movement of objects and ourselves in space. It is not a single ability or process, but a number of concepts, tools and processes that work together.