5 Minutes Remaining
Time will remain visible on screen for the rest of this section.
ACT
English
Time Left:
32:00
Official Section Instructions
The questions in this section address key reading and writing skills. Each question includes one or more passages, which may include a table or graph.
Read each passage and question carefully, and then choose the best answer based on the passage(s). All questions in this section are multiple-choice with four answer choices. Each question has a single best answer.
Tip: Use the Option Eliminator button next to any choice to strike through choices you have ruled out.
Scientists in the field of quantum physics often wrestle with concepts that defy intuitive understanding, such as superposition, where a particle can exist in multiple states simultaneously until measured. To convey this paradoxical nature, physicists sometimes invoke thought experiments, notably Erwin Schrödinger's famous cat, a feline theoretically trapped in a box with a device that may or may not kill it. For the outside observer, before the box is opened, the cat is neither alive nor dead, but rather a perplexing blend of both. This iconic metaphor, though grim, serves as a powerful pedagogical tool, allowing non-specialists to grasp the profound strangeness at the heart of quantum mechanics.
Question Free Diagnostic 3 of 4
Select one answer • Cross out eliminated choices