CEDS-M2 | Science & Engineering Practices
Construct an explanation using models or representations.
NGSS Science & Engineering Practices
Find free, ready-to-teach resources aligned to CEDS-M2. Designed with teachers and artists, in partnership with STEM researchers.
CEDS-M2 | Science & Engineering Practices
Construct an explanation using models or representations.
Created with purpose: see how resources connect to this standard.
Showing 2 of 2 units
Electric Crystals: Exploring how crystal symmetry can power everyday life

Crystals aren't magic, but they are amazing! In this student-driven, lecture-free lesson, students will do card sorts, build hands-on models, solve engineering design puzzles, and more! The whole experience is connected through a beautifully crafted comic and supporting videos.
Alignment summary( Connected)
Lessons: 2, 3
Students create molecular models of crystal unit cells, as well as geometric models of unit cells. They interpret how the two types of representations have different benefits and uses.
Included resources
4 lessons and 3 supporting media items.

Lesson 1



I Like That!: How perception, emotion, and cognition shape our preferences
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Students will conduct experiments and analyze real scientific data as they learn about themselves. They'll learn how our eyes and brains interact to determine what we like and dislike, and apply this knowledge to fish research and the art of character design.
Alignment summary( Connected)
Lesson 1
In part 1, students are asked to explain the concept map via an example in their own lives.
Included resources
3 lessons and 6 supporting media items.



Lesson 3
