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Answer Key
Grade 7 Science: Science, Technology & Society
1.
Science, Technology, and Society
2.
changes how people communicate, work, health, travel, etc.
3.
funding, laws, needs, and values shape research questions
4.
tools, processes, and systems people design to solve problems
5.
a new or improved idea, method, or device
6.
questions about what is right, fair, and responsible
7.
germ theory → sanitation/medical tools (examples)
8.
community needs drive water-quality studies (examples)
9.
Answers vary (plow, vaccine cold-chain, bike)
10.
Answers vary (disease outbreaks spur vaccine research)
11.
Answers vary (electricity changed daily life)
12.
residents, workers, officials, wildlife (any three)
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