Front
Data Representation: Where is the independent variable usually located?
Back
The X-axis (horizontal)
Example: Time in a plant growth study.
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ACT Science Section - 45 Strategies & Concepts
Master the ACT Science section with 45 flashcards covering data interpretation, research summaries, and test strategies.
AnyFlashcards45 cards
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Front
Data Representation: Where is the dependent variable usually located?
Back
The Y-axis (vertical)
Example: Plant height measured over time.
Front
Data Representation: What is a direct relationship?
Back
Both variables increase or decrease together
Example: As temperature rises, the volume of a gas increases.
Front
Data Representation: What is an inverse relationship?
Back
One variable increases while the other decreases
Example: As pressure increases, the volume of a gas decreases.
Front
Data Representation: What is interpolation?
Back
Estimating a value within the range of known data points
Example: Finding the value at 2.5 minutes when 2 and 3 minutes are plotted.
Front
Data Representation: What is extrapolation?
Back
Estimating a value outside the range of known data points
Example: Predicting the value at 10 minutes based on a 5-minute trend.
Front
Data Representation: Why check units of measurement?
Back
To ensure data matches the question's scale
Example: Converting grams to kilograms if the answer choices require it.
Front
Data Representation: What is the purpose of a legend or key?
Back
To distinguish between different data sets on one graph
Example: Solid line for Group A, dashed line for Group B.
Front
Data Representation: How do you identify a trend in a table?
Back
Look for consistent increases or decreases across rows/columns
Example: Values in Column 2 double every 10 seconds.
Front
Data Representation: What is an outlier?
Back
A data point that differs significantly from others
Example: A single trial showing 100cm growth when others show 10cm.
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