...world designed to bring about certain results, or do the results simply follow ? Shall we say that the inclination of the earth's axis to the plane of its orbit is in order that there may be a change of season ? or does the change of the season simply follow as...

...and Rocky Mountains. 22. Mathematical geography. Motions of the earth on its axis and around the sun. The inclination of the earth's axis to the plane of its orbit. Causes of the changing seasons and the changing length of the day and night. Long days in summer and...

...of its Axis. — This fact of the unchanging inclination of its Etrth's Axis FIG. 10. To illustrate the inclination of the earth's axis to the plane of its orbit. axis, as the earth revolves about the sun, may seem a small thing in itself ; but it is really of such...

...days. 2. On the same sheet, which is about 80 inches by 18 inches, construct a diagram to show (1) the inclination of the earth's axis to the plane of its orbit, (2) its perihelion and aphelion positions, and its position at the equinoxes and solstices. Two days....

...it one-fourth the dis- P,ane of t* tart*; Orbit tance to the page and it will represent very nearly the inclination of the earth's axis to the plane of its orbit. Apparent Motion of the Sun. — The yearly revolution of the earth, Combined With the in- The thaded...

...one-fourth the dis- plane of the Earth., Oriat tance to the page and it will represent very nearly the inclination of the earth's axis to the plane of its orbit. The shaded part ol this picture represent* a portion of the plane of the earth's orbit. The orbit is the...

...cultivate the sense of rhythm, (c) Give some devices for ear training. Geography. (Answer any five.) 1. If the inclination of the earth's axis to the plane of its orbit were 15° what would be the width of the Torrid zone? Of the Temperate zones? Of the Frigid zones?...

...her abundant store and teach them easily ; but a teacher who is puzzled as to the real meaning of " the inclination of the earth's axis to the plane of its orbit " has no power of selection, and her teaching is heavy. Unhappily there is many a teacher who is thus...

...throughout the year. , , Another cause of variation which produces a similar effect to a smaller degree is the inclination of the earth's axis to the plane of its orbit round the sun. If, however, we take the average or mean value of this interval for a complete year,...

...comparatively easy. Thirdly, the difficulty to an adult is not in understanding the diagrams showing the inclination of the Earth's axis to the plane of its orbit, and the persistence of the axis in pointing in the same direction throughout its whole annual course...