question: If Mona fills up a cup with water and places that water into the freezer, what happens to the density of the water as it cools down?
choices.text: increases decreases
choices.label: A B
para: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
para_anno.effect_prop: water is denser
para_anno.cause_dir_str: cooled
para_anno.effect_dir_str: denser
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: water is cooled
question_anno.more_effect_dir: increases
question_anno.less_effect_dir: decreases
question_anno.more_effect_prop: density
question_anno.less_effect_prop: density
question_anno.less_cause_dir: density