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Answer Key
Grade 8 Science: Science Practices — Arguments, Models & Investigations
1.
claim/theory/hypothesis
2.
data/observations
3.
claim
4.
Reasoning
5.
changes/manipulates
6.
measured/observed
7.
same
8.
graph/chart
9.
a testable prediction or explanation that can be supported or refuted by investigation
10.
claim answers question; evidence is data; reasoning links evidence to claim
11.
so observed effects are due to the independent variable, not other factors
12.
cell model, climate model, ball-and-stick molecule (answers vary)
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