Question

when making a prediction about reading, students should make a(n) about what is likely to happen next.
scientific hypothesis
educated guess
simple explanation
estimated amount

Explanation:

Reading predictions rely on prior knowledge from the text and background understanding to make a logical, informed guess about future events in the text. An "educated guess" fits this description, as it is based on existing information rather than a formal scientific hypothesis, a plain explanation, or a numerical estimate.

Answer:

educated guess