Describing things as accurately as possible is important in science
because it enables people to compare their observations with those of others.
NSES Content Standard A
Science as Inquiry: Abilities necessary to do scientific inquiry Grades K-4, page 122 Plan and conduct a simple investigation. In the earliest years, investigations are largely based on systematic observations. As students develop, they may design and conduct simple experiments to answer questions. The idea of a fair test is possible for many students to consider by fourth grade. NSES Content Standard A
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