common core

Unit 2, Mini Collisions: Engage | Hot Wheels Speedometry | Hot Wheels | Mattel

ENGAGE: Both science and science teaching begin with asking questions (science) and defining problems (engineering) that need to be answered or solved about some observed phenomenon or system (e.g., “I wonder what, where, when, how, or why?”). Students’ prior knowledge is accessed and interest engaged in the phenomenon. Teachers, both units in the Speedometry™ Curriculum […]

Chemical and Physical Changes

Chemical and physical changes Say hello to Mark and Molly. Each are enjoying a glass of water. Deciding to save some for later Molly puts her glass in the refrigerator but Mark puts his in the freezer. A short time later they go to get their drinks. Molly enjoys her cold liquid water but something […]