We Speak Science Academy Project title: Earth layers Activity description: Shown here is a project from students of We Speak Science Academy. Students applied knowledge gained in STEM to construct a 3D model of the earth layers. Some of the materials used for this project were: Styrofoam, clamps and paper. The following photos illustrate our students’ presentations: Fig. Shows the Earth layers: the crust, mantle, outer core, and inner core are the four basic components that make up the earth's structure. Student projects were guided by mentors of The We Speak Science Academy.