A fourth-grade teacher wants the class to participate in an inquiry lesson using magnets. The teacher wants to ensure students have opportunities to formulate and test hypotheses. Which strategy should the teacher use to achieve this objective?
What strategy would best help students formulate and test hypotheses in an inquiry lesson on magnets?

a. Lecture-based instruction
b. Hands-on experiments with magnets
c. Reading a textbook on magnetism
d. Watching videos about magnets