Most ACT Science score drops come from a short list of fixable errors—misread axes, ignored units, over-reading intro text, and running out of time on Conflicting Viewpoints—not from missing science knowledge. Log which mistake caused each miss and you will see patterns fast. Part of how to improve your ACT Science score.
1. Misreading axes or scales
Fix: Before every answer, label both axes with units. Watch for log scales, broken axes, and dual y-axes. See how to read graphs faster.
2. Ignoring units
Fix: Match answer choices to the units on the graph. A value in mL is not the same as a value in L—even if the number looks right.
3. Importing outside knowledge
Fix: Trust the passage, not your class notes. If the data contradicts what you remember, the data wins. More in the science you actually need.
4. Over-reading intro text
Fix: On Data Representation and most Research Summaries, go questions-first. Read prose only when a question requires it. See passage reading strategies.
5. Running out of time on Conflicting Viewpoints
Fix: Do data-heavy passages first; save Conflicting Viewpoints for last. Build a one-line map per viewpoint. See Conflicting Viewpoints strategy.
6. Confusing correlation with causation
Fix: Two variables moving together does not prove one caused the other unless the experiment manipulated a variable. Common on experimental design questions in experimental design.
7. Opening the wrong figure
Fix:Questions name figures explicitly—"According to Figure 2." Jump to that figure only; do not skim all graphs first.
8. Skipping the label check
Fix: Top scorers build a two-second habit: axes, units, which line or bar. This catches most careless errors before you bubble.
9. Switching strategies every passage
Fix: Pick one method for Data/Research passages and run it on three full timed sections before changing. Consistency beats improvisation. Overview in best ACT Science strategy.
Start practicing
Start with a free diagnostic, then drill your weak spots with 15-question quizzes and track how you're doing across Reading, English, and Math. Compare plans whenever you're ready to go further.
This article offers general ACT prep guidance. The ACT can change from year to year, including its format, scoring, policies, test dates, and fees, so always confirm the latest details on the official ACT website at act.org before you make decisions. ACT® is a registered trademark of ACT, Inc. thirty-six is not affiliated with, endorsed by, or sponsored by ACT.