Category: 7th Grade Tech

In the past few days, we have been learning about the forces of flight and how they apply to airplanes, more focused on paper airplanes. We scrolled through websites and watched some videos and in the end, I built three planes. The four forces of flight are thrust, drag, lift, and gravity. Thrust is the…

The video that I watched was about mirrors. Mirrors actually start out as clear glass. Mirrors are not tensile and they are not compressive either. Mirrors are not ductile. They might have some malleable strength but they will break eventually since they start out as glass. Mirrors are not resilient and they cant be molded…