Five infants were studied longitudinally from 18 to 36 weeks of age to determine the extent to which infants use a predictive strategy when reaching for moving objects. (Author/DB)

The Division of Physical Education at North Texas State University includes a section relating art and movement as part of a required seminar. Students study the creative works of others, familiarize themselves with the use of tools, and then develop their own individual projects. (JMF)

Shows that the elementary ballistic range problem solution, when scaled by the reciprocal of the eccentricity, contains in itself a good description of the more general Keplerian ballistic problem. (Author/GA)

Describes and explains some aspects of the motion of a top, the extreme end of which is made round, spinning on surfaces provided with friction. (Author/GA)

Shows how to use the Ritz method for obtaining approximate solutions to problems expressed in variational form directly from the variational equation. Application of this method to classical mechanics is given. (MLH)

Reviews the theories and fundamental principles of physics as they relate to the comprehensibility of the cosmos. (DKM)

Two experiments examined the effects of common motion, background texture, and orientation on four-month olds' perception of unity of a partially occluded rod. Results indicated that infants' perception of object unity is not dependent on a single visual cue but on a variety of cues including motion, interposition, depth cues, background texture,…

Compared the postural responsiveness of seven-, eight-, and nine-month-old infants. Results indicated greater use of optic flow for postural control after a self-produced locomotor experience. Infants with endogenous (creeping) or artificial (walker) self-produced locomotor experience responded to portions of the optic flow field, whereas…

Presents an activity in which race cars are designed and constructed out of edible materials. Students explore relationships between speed, distance, and time using both math and science. Includes a chart that shows alignment with the National Science Education Standards. (DDR)

Describes an activity for designing, building, and launching rockets that provides students with an intrinsically motivating and real-life application of what could have been classroom-only concepts. Includes rocket design guidelines and a sample grading rubric. (KHR)

Examines the relative effectiveness of the traditional lab method and the microcomputer-based laboratory (MBL) for improving student understanding. Examines three areas of achievement: graphing interpretation skills, and interpreting motion graphs and understanding of motion. Results indicate that MBL laboratories are more effective than…

Investigates the psychological representation of visual-gestural languages from a cross-linguistic perspective. The perception of signers of American and Chinese Sign Languages is analyzed. (27 references) (Author/VWL)

Examines the use of pictures by different learners in different ways, and presents guidelines for using pictures in teaching culturally diverse children. The degree of complexity versus simplicity is discussed, the need for effective directional cues is emphasized, and depth and motion cues are described. (LRW)

Shows how the thermal power developed by friction is exactly half the supplied power in the general case of a variable force of friction. Investigates the mechanism whereby one-half the input energy is dissipated as heat using mathematical expressions. (YP)

Describes three physics demonstrations: "Sticky Kinematics," dealing with motion in friction; "The Whistler," presenting a whistle-like sound of descending pitch from an iron spring; and "Magnetic Superconducter Mystery," generating a question why a magnet keeps spinning. (YP)