Forming Hypotheses?

Question

Example: At which grade do middle school students carry the heaviest book bags? Hypothesis: If students are in higher grades, then their backpacks will be heavier, because they have heavier textbooks.
Problem: Which class is easier to pass, math or science? What would the hypothesis be?
Problem: What side of the classroom is warmer? What would the hypothesis be?

Answer 1

If the majority of students get better grades in math than in science, then math is easier to pass.

If If you sit closer to the haet source, you will be warmer.