Exploring Rocket Stability Through an Interactive Learning Object
Teaching engineering concepts to middle school students frequently necessitates assisting them in visualizing ideas that may not be readily discernible. Concepts such as rocket stability and center of gravity can be challenging to comprehend through textual or diagrammatic representations alone. To facilitate this type of learning, I developed an interactive learning object that enables students to explore the various components of a rocket and the contributions of each component to stable flight.
The learning object primarily focuses on the concept of rocket stability. Students engage with a clickable rocket diagram that presents different parts of the rocket, each containing pertinent information and guiding inquiries. The objective is to facilitate students’ comprehension of how components such as the nose cone, fins, body tube, recovery system, and rocket motor collaborate to achieve stable flight.
Students will be able to elucidate the influence of rocket components on stability and identify the impact of weight distribution on the center of gravity.
The learning object was conceptualized utilizing ThingLink, a design tool that empowers educators to construct interactive images with clickable hotspots. Students navigate a rocket diagram and interact with various areas to unveil concise explanations and engineering inquiries. Each hotspot centers on a specific component of the rocket and prompts students to contemplate the influence of that component on the overall design.
For instance, when students select the nose cone area, they gain insights into how relocating weight toward the front of the rocket facilitates the forward displacement of the center of gravity, thereby enhancing stability. The fin section elucidates the aerodynamic stability provided by fins and their role in guiding the rocket during flight. The motor section emphasizes the significance of thrust and alignment in determining the rocket’s trajectory. These prompts encourage students to adopt an engineering mindset rather than merely absorbing information.
Learning objects are most effective when they focus on a specific concept and allow students to actively engage with the content (Santos et al., 2022). By clicking through the rocket components, students explore the design rather than passively receiving information.
Interactivity and Engagement
This learning object encourages exploration and prediction. Students interact with the rocket diagram and respond to short engineering questions while exploring each component. Interactive learning environments help students better understand abstract concepts because they allow learners to visualize relationships between variables (Mallidis-Malessas et al., 2022). In this case, students can connect rocket design choices with flight stability before building their own rockets.
Accessibility and Reusability
The learning object is designed to be easily reused in multiple STEM lessons. Because it is web-based, it works on Chromebooks, laptops, or tablets without requiring special software. Teachers can use the object during engineering lessons, physics units, or as preparation for rocket design activities.
Accessibility was also considered when designing the activity. The interface uses short text explanations and visual diagrams so students with different learning preferences can interact with the content. Students can explore the learning object independently or as part of a guided lesson.
ThingLink was selected because it allows educators to create interactive content without complex programming or design experience. Tools that support clickable elements and layered information help transform static diagrams into interactive learning experiences. This makes the tool particularly useful for creating reusable learning objects that promote exploration and inquiry.
The images below show examples of the interactive hotspots students explore within the learning object.
Mallidis-Malessas, P., Iatraki, G., & Mikropoulos, T. A. (2022). Teaching physics to students with intellectual disabilities using digital learning objects. Journal of Special Education Technology, 37(4), 510–522. https://doi.org/10.1177/01626434211054441
Santos, A. I., Costa, A. C., Botelho, A. Z., Parente, M. I., Cascalho, J., Freitas, D., Behr, A., Rodrigues, A., & Mendes, A. B. (2022). Learning objects in the educational context: The perspective of teachers in the Azores. Education Sciences, 12(5). https://doi.org/10.3390/educsci12050309
