This 5E activity pack explores ecology concepts like biological and physical components of ecosystems (aka biotic and abiotic factors), ecological relationships, and changes in ecosystems. Activities touch on NGSS MS-LS2-1, MS-LS2-2, and MS-LS2-4. It includes a completely aligned writing assessment for MS-LS2-4 based on the Claim-Evidence-Reasoning format.Students are engaged with fascinating real-world examples and given opportunities to write, discuss, and interact with classmates and techno