6-8.ETS1.A.1: Define the criteria and constraints of a design problem with…
Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.
The Missouri Learning Standards: Science (2016) outcome 6-8.ETS1.A.1 (Engineering, Technology and Applications of Science) for Grades 6–8 says: “Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson. Official wording: Missouri Learning Standards: Science (2016).
Forces and Motion: Crash, Push and Stop Grade 8
Why you lurch forward when the bus brakes, how fast a toy car really goes, why heavier carts hit harder, and how to build a crumple zone that saves an egg. Four lessons on inertia, speed, mass and stopping safely.
- Can you design a crumple zone? Two periods of 45–60 min (or one 75–90 min block)
Teams design, build and test a crumple zone that lets a raw egg in a zip bag survive a cart crash into a wall, working to a budget and a size limit. They measure how far each design crushed and use class data to explain why a longer stop means a smaller force.
Printable practice for 6-8.ETS1.A.1
- Forces and Motion: Crash, Push and Stop workbook included with the unit
1 English-support page, 1 practice page, 1 reading, 1 unit review, 1 unit test, with answer keys.
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Compared with NGSS: MS-ETS1-1.
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