Founded in 2002 by Nobel Laureate Carl Wieman, the Ph ET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations.
Ph ET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.
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, behold, note, notice, remark, espy, descry, observe, contemplate, survey, view, perceive, discern These verbs refer to being or becoming visually or mentally aware of something.
See, the most general, can mean merely to use the faculty of sight but more often implies recognition, understanding, or appreciation: "If I have seen further (than ...
Descartes) it is by standing upon the shoulders of Giants" (Isaac Newton).
Behold implies gazing at or looking intently upon what is seen: "My heart leaps up when I behold / A rainbow in the sky" (William Wordsworth).
Note, notice, and remark suggest close, detailed observation, and note in particular implies making a careful, systematic mental recording: Be careful to note that we turn left at the church. "I remarked a fresh colour in her cheeks, and a pinkness over her slender fingers" (Emily Brontë).
Espy and descry both stress acuteness of sight that permits the detection of something distant or not readily noticeable: "He drove off about five miles, speeding, before he espied a turnoff into a dirt road" (Flannery O'Connor).
"the lighthouse, which can be descried from a distance" (Michael Strauss).
Observe emphasizes careful, closely directed attention: "I saw the pots ...
and observed that they did not crack at all" (Daniel Defoe).