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8th Grade ch. 1 sect. 2 Vocab.

Puzzle Type: Educational
Teacher: cf
Across
are ways, or steps to follow, to try to solve problems.
answers scientific questions through observation.
is a prediction, or statement, that can be tested.
is a sample that is treated like the other experimental groups except that the independent variable is not applied to it.
Down
is the factor being measured.
the variables that stay the same.
the variable that is changed.
represents things that happen too slowly, too quickly, or are too big or too small to observe directly.