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Transcript of ACT Science
What is the purpose of the experiment?
What is being tested and why?
What are the variables and the constraints?
How is the outcome affected by each variable change? The first questions you are asked will be those which test your general understanding of the passage. DO NOT SKIP THESE. If you cannot answer this sort of question, you did not comprehend the passage well enough. Questions to follow will be more complex and rely heavily on your ability to relate details to the big picture. Make sure to choose an option that actually answers the question. Test writers often include answers which merely state something true about the passage without addressing the inquiry. Don't be tricked by this maneuver. Never select any answer that isn't explicitly stated in the reading. As you read through your answer options, cross out those which contradict the passage or draw on the tendency to extrapolate data (meaning, make a hasty generalization of the data and assume information beyond what is given to you. Charts and Graphs Four levels of chart and graph comprehension:
1. Ability to identify information
2. Translate information from graphical to written form (and vice versa)
3. Utilize data to infer unstated information
4. Identify the trends which help forecast future steps in an experiment To accomplish these tasks, it is important to recognize the following... What is being represented on the X- and Y-axis or in the columns and rows Units of measurement Whether scales are continuous (generally in numerical intervals) or categorical (data clustered into discernible groups) Maximums and minimums Trends Critical points Proportionality