In an experiment, a student observed that a plant placed in a dark cupboard grew taller but had yellow leaves. What conclusion can the student draw about the need for light in plant growth?
SAMPLE 2
A group of students tested how far a toy car rolled on different surfaces. They found it rolled farthest on a smooth floor and shortest on carpet. What can they conclude about the effect of surface texture on motion?
SAMPLE 3
In an experiment, a student added salt to water and stirred until it dissolved. Then she added more salt and it did not dissolve. What conclusion can she draw about the amount of salt water can hold?
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