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ACT® · Science: Interpretation of Data (13-17 items)

Locating One Value in a Simple Graph or Table (IOD 201)

Watch it explained

  1. How it worksHow do the units named in a question lead you straight to the one figure that can answer it?
  2. Worked exampleFind the mass at 40 seconds when a table lists 20 s at 5.0 g, 40 s at 8.5 g and 60 s at 11.0 g.
  3. Common mistakeWhy isn't the first figure in a science passage the right place to begin every single question?

Check yourself

Your turneasy1 of 3
Study 1. Table 1 gives the mass of precipitate collected (in g): 10 s → 4, 20 s → 8, 30 s → 14, 40 s → 17. Table 2 gives the volume of gas released (in mL) over the same run: 10 s → 21, 20 s → 45, 30 s → 74, 40 s → 81. What mass of precipitate, in grams, had been collected at 30 s?

End of topic.