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Answer Key
Grade 4 Science: Engineering — Optimize Solutions
1.
constraints/limits
2.
data
3.
breaks or fails
4.
cycle/process
5.
meet
6.
materials
7.
improvement
8.
testing
9.
make a design as effective as possible within constraints
10.
the part or condition where a design first fails a test
11.
repeating the design process to improve
12.
show what to fix and whether criteria are met
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