Three of the following teachers are providing scaffolding for students who are conducting science experiments. Which one is not necessarily providing scaffolding?
a. Mr. Kron makes sure that his students have identified all their variables and know how they will control each one before they begin.
b. Ms. Archer helps her students reason about whether their results support, disconfirm, or are irrelevant to their hypotheses.
c. Ms. Hyde encourages students to generate at least two different hypotheses before beginning an experiment.
d. Mr. Carlisle requires his students to write their lab reports within 24 hours of conducting their experiments.
Question 2
Which one of the following teachers is engaging students in a developmentally appropriate science activity?
a. Mr. Kirk's kindergartners are hypothesizing about why the sun appears to rise and set in the sky.
b. Ms. Hannigan's third-grade class is studying water molecules as part of a unit on the water cycle.
c. In his high school astronomy class, Mr. Brulet limits his unit on the solar system to characteristics of each of the nine planets.
d. Ms. Polumbo's tenth-grade biology class is engaged in cataloguing the different kinds of grass that grow in the softball field.
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