3.1.6-8.A: Conduct an investigation to provide evidence that living things are…
Conduct an investigation to provide evidence that living things are made of cells, either one cell or many different numbers and types of cells.
The Pennsylvania Science, Technology & Engineering, Environmental Literacy & Sustainability (STEELS) Standards outcome 3.1.6-8.A (Biological Sciences) for Grades 6–8 says: “Conduct an investigation to provide evidence that living things are made of cells, either one cell or many different numbers and types of cells.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson. Official wording: Pennsylvania Science, Technology & Engineering, Environmental Literacy & Sustainability (STEELS) Standards.
Cells: The Smallest Living Things Grades 7–8
How small is a cell, how does water get in, what's inside, and why are cells so tiny? Four lessons with potatoes, strawberries and gelatin that work with a microscope or without one.
- How big is a cell? 50–60 min
Students measure tiny things they can see, count how many fit across a millimetre, and build a scale ladder from a hand down to a single cell. With a microscope or a phone and a drop of water, they look at real onion cells and estimate their size.
Printable practice for 3.1.6-8.A
- Cells: The Smallest Living Things workbook included with the unit
3 practice pages, 3 readings, 1 word wall, 1 English-support page, 1 unit review, 1 unit test, with answer keys.
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Compared with NGSS: MS-LS1-1.
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