ACT Science Practice Test

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Interpretation of Data (IOD)38%
Scientific Investigation (SIN)45%
Evaluation of Models, Inferences, and Experimental Results (EMI)17%
  • Questions: 1,215
  • Two-Part Items: 10
  • Vocabulary Terms: 109
  • Performance Tasks: 99
  • Instructional Videos: 24
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Test Standards

Interpretation of Data (IOD)
1. (IOD 201)  Data Presentation
2. (IOD 202)  Basic Features
3. (IOD 203)  Find Information
4. (IOD 301)  Select Data
5. (IOD 302)  Scientific Terminology
6. (IOD 303)  Finding Information- Complex
7. (IOD 304)  Variables Of Change
8. (IOD 401)  Complex Data
9. (IOD 402)  Combine Data
10. (IOD 403)  Translate
11. (IOD 404)  Inter/Extrapolation
12. (IOD 501)  Data Presentations
13. (IOD 502)  Compare Or Combine
14. (IOD 503)  Variable Value
15. (IOD 504)  Mathematical Relationship
16. (IOD 505)  Analyze
17. (IOD 601)  Complex Vs. Simple Data
18. (IOD 602)  Complex Mathematical
19. (IOD 603)  Complex Inter/Extrapolation
20. (IOD 701)  Complex Vs. Complex Data
21. (IOD 702)  Analyze Information
Scientific Investigation (SIN)
1. (SIN 201)  Basic Information
2. (SIN 202)  Understand Tools
3. (SIN 301)  Methods And Tools
4. (SIN 302)  Complex Tools
5. (SIN 303)  Describe Complex Experiment
6. (SIN 401)  Experimental Design
7. (SIN 402)  Complex Methods
8. (SIN 403)  Identify Control
9. (SIN 404)  Similarities And Differences
10. (SIN 405)  Experimental Details, Tools, Methods
11. (SIN 501)  Complex Design
12. (SIN 502)  Additional Trial
13. (SIN 503)  Experimental Conditions
14. (SIN 601)  Hypothesis
15. (SIN 602)  Alternate Method
16. (SIN 701)  Precision And Accuracy
17. (SIN 702)  Modifying Design
18. (SIN 703)  Additional Trial
Evaluation of Models, Inferences, and Experimental Results (EMI)
1. (EMI 201)  Finding Basic Information
2. (EMI 301)  Identify Implications
3. (EMI 302)  Models Present Information
4. (EMI 401)  Select Hypothesis, Prediction Or Conclusion
5. (EMI 402)  Key Assumptions Of A Model
6. (EMI 403)  Models Imply Information
7. (EMI 404)  Identify Similarities And Differences
8. (EMI 501)  Simple Hypothesis, Prediction, Conclusion In2 Or More Pieces Of Data
9. (EMI 502)  Supports Or Contradicts
10. (EMI 503)  Strengths And Weaknesses
11. (EMI 504)  Supported Or Weakened
12. (EMI 505)  Data Presentation
13. (EMI 601)  Complex Hypothesis
14. (EMI 602)  New Information
15. (EMI 603)  Make Prediction
16. (EMI 701)  Complex Hypothesis In Multiple
17. (EMI 702)  Analyzing Evidence
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