Which of the following activities would be most effective in helping science students begin to participate fully in a constructivist environment?
a. Perform a demonstration to show the effect of adding salt and ice to water on the temperature of the water.
b. Have the students pursue a WebQuest on the causes and nature of thunderstorms.
c. Show an Internet video clip on the effect of adding yeast to sugar water and ask the students to summarize the main points in their science journals.
d. Take the class outdoors for a walk around the school and ask them to record their observations and the questions suggested by these observations in their science journals.
e. Any of the above
f. None of the above
d. Take the class outdoors for a walk around the school and ask them to record their observations and the questions suggested by these observations in their science journals.
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The most powerful control technique, given the sheer number of influences potentially controlled, is:
A) blinding B) random assignment C) counterbalancing D) matching E) partial correlation
Which of the following is characteristic of a 'higher level' question?
A) The question asks for information that is 'right there' in the text. B) The question always asks for a definition. C) The question asks for literal information. D) The question requires making an inference or putting several pieces of information together.
The term ____________________ refers to the way the tongue, teeth, palate, and lips are moved and used to produce the crisp, clear sounds of good speech
Fill in the blank(s) with correct word
In addition to the sound of their own mothers' voices, infants most prefer to listen to:
a. bells and chimes. b. classical music. c. someone laughing. d. someone speaking the infant's native language.