question: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused more light to bend?
choices.text: the slow motion the quick motion
choices.label: A B
para: In refraction of light, the greater the change in speed, the more light bends.
para_anno.effect_prop: bending of light
para_anno.cause_dir_str: greater
para_anno.effect_dir_str: more
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: change in speed
question_anno.more_effect_dir: more
question_anno.less_cause_prop: flashlight
question_anno.more_effect_prop: light ot bend