Question

a student creates a model by placing raisins in bread dough and allowing the dough to rise for several hours. the student sketches the model before and after the dough rises.
the student claims that the model accurately describes the motion of the galaxies in the universe. what evidence from the model supports the student’s claim?
○ as the dough rises, the size of the raisins increases, resembling the expansion of the galaxies.
○ as the dough rises, the size of the raisins decreases, resembling the emission of light from stars.
○ as the dough rises, the distance between the raisins increases, indicating that the galaxies are moving apart.

Explanation:

To determine the correct option, we analyze the model: raisins in dough represent galaxies in the universe. When dough rises (universe expands), the distance between raisins (galaxies) increases, showing galaxies move apart. The first option says raisin size increases (incorrect, raisins don't grow). The second says raisin size decreases (also incorrect). The third says distance between raisins increases, matching the universe's expansion (galaxies moving apart).

Answer:

As the dough rises, the distance between the raisins increases, indicating that the galaxies are moving apart.