7.MS-LS2-3: Develop a model to describe that matter and energy are transferred…
Develop a model to describe that matter and energy are transferred among living and nonliving parts of an ecosystem and that both matter and energy are conserved through these processes.
The Massachusetts Science and Technology/Engineering Curriculum Framework (2016) outcome 7.MS-LS2-3 (Life Sciences) for Grade 7 says: “Develop a model to describe that matter and energy are transferred among living and nonliving parts of an ecosystem and that both matter and energy are conserved through these processes.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson. Official wording: Massachusetts Science and Technology/Engineering Curriculum Framework (2016).
How Plants Make Food: Photosynthesis and Respiration Grades 6–8
Where does a tree's mass come from, what happens to the sugar a plant makes, and how does the Sun's energy run a whole ecosystem? Three no-materials lessons with a 400-year-old willow experiment, printed atom cards and a carbon-atom role-play.
- How does energy from the Sun move through a whole ecosystem? 50–60 min
Every student becomes a carbon atom and travels between four stations, air, plants, animals and decomposers, drawing printed cards that say what happens next. The class tallies the journeys, then follows energy through a food chain, and explains why carbon goes round and round while energy passes through once.
Printable practice for 7.MS-LS2-3
These pages practise a closely related idea; the match to 7.MS-LS2-3 is partial.
- How Plants Make Food: Photosynthesis and Respiration workbook included with the unit
1 word wall, 1 English-support page, 1 practice page, 1 reading, 1 unit review, 1 unit test, with answer keys.
Need just this outcome? Build a custom pack from these pages, with its answer key, in about a minute. Custom packs come with All-access and school licences.
Compared with NGSS: MS-LS2-3 (partial).
More Massachusetts Grade 7 science outcomes we teach
Every Massachusetts Grade 7 science standards outcome we teach
Every unit matched to Massachusetts's curriculum · All places and curricula
Three full lessons, free
Make a free account and download any three Fieldbook lessons as printable PDFs. No card needed.