In the "Why Do Raisins Rise and Fall" Attention Getter, which of the following causes the raisins to almost float?

A. Water
B. Oxygen
C. Hydrogen
D. Carbon dioxide


D

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Based on the Strand model, fractions A) Should be introduced using manipulatives rather than writtensymbols. B) Cannot be understood until children have the concept ofreversibility

C) Are related to understanding of reversibility D) All of the above are true

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Tape assisted reading in developing fluency

a. has been validated by research. b. has been proven to be less valuable than one-to-one repeated reading. c. is not recommended for students below fourth grade. d. is ineffective for struggling readers.

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How does the words "bat" and "cat" differ?

A) By one morpheme B) By one phoneme C) In syntax D) In form

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Within a research hypothesis, the independent variable may be thought of as the ______ and the dependent variable may be thought of as the ______.

a. effect; cause b. prediction; conclusion c. cause; effect d. question; answer

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