Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 183
... pole . Every magnet has a north and a south pole . □ Magnetic poles are different . You have learned that magnets have two kinds of poles . How do the poles act on each other ? ACTIVITY Suspend a bar magnet from a nonmagnetic sup- port ...
... pole . Every magnet has a north and a south pole . □ Magnetic poles are different . You have learned that magnets have two kinds of poles . How do the poles act on each other ? ACTIVITY Suspend a bar magnet from a nonmagnetic sup- port ...
Σελίδα 185
... pole . The pole of the soft iron is unlike the nearest pole of the magnet . Materials become magnets if magnetic poles can be induced in the materials . Materials are attracted by magnets if mag- netic poles are induced in them . If the ...
... pole . The pole of the soft iron is unlike the nearest pole of the magnet . Materials become magnets if magnetic poles can be induced in the materials . Materials are attracted by magnets if mag- netic poles are induced in them . If the ...
Σελίδα 556
Milton O. Pella. N. Pole 90 ° Equator S. Pole Horizon To the sun FIGURE 15-12 At the equator on March 21 or September 21 the angle of elevation on the sun is 90 ° . N. Pole Equator S. Pole To the sun To the sun FIGURE 15-13 At either pole ...
Milton O. Pella. N. Pole 90 ° Equator S. Pole Horizon To the sun FIGURE 15-12 At the equator on March 21 or September 21 the angle of elevation on the sun is 90 ° . N. Pole Equator S. Pole To the sun To the sun FIGURE 15-13 At either pole ...
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UNIT | 49 |
distributors of the John Frankenheimer film Grand Prix A General Electric Company 337 bottom rightGeneral Electric | 92 |
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acid acting ACTIVITY added amount atoms beam become body called carbon causes cell charges chemical chemical change circuit color combining compounds connected contains copper determined direction distance earth effort electrical electrical charges electrons elements energy engine equal experiment explain facts feet FIGURE flow force fuel gain gives glass grams happens heat hour hydrogen inch increases ions iron kinds lamp laser layer length light liquid magnet mass materials matter means measure metal miles mirror molecules moon motion move nature needed object oxygen particles piece plane plate pole position pounds pressure produced push rays reflected resistance Result rock scientists shell side sodium solution sound space speed spring stars Study surface temperature Terms theory travels tube turns units waves weight wire