NCERT Class 6 Geography Chapter 3: Motions of the Earth Youtube Lecture Handout

Download PDF of This Page (Size: 193K)

Get video tutorial on: Examrace Youtube channel

Watch video lecture on YouTube: NCERT Class 6 Geography Chapter 3: Motions of the Earth NCERT Class 6 Geography Chapter 3: Motions of the Earth
Loading Video

Rotation

Movement of earth on its axis – 24 hours – Earthday

Rotation of the Earth

Rotation of the Earth

Rotation of the Earth

Revolution

  • Movement of earth around sun in fixed path: 365 ¼ days

  • Extra 6 hours added for 4 years – 1 day extra – leap year

    Revolution of the Earth

    Revolution of the Earth

    Revolution of the Earth

Orbital Plane

  • Plane formed by the orbit

  • Axis of earth makes 66 ½ degree with orbital plane

    Orbital Plane of the Earth

    Orbital Plane of the Earth

    Orbital Plane of the Earth

Circle of Illumination – Does Not Coincide with Axis

Circle of Illumination – Does not coincide with axis

Circle of Illumination Image-1

Circle of Illumination – Does not coincide with axis

What Would Happen if Earth Does Not Rotate?

Circle of Illumination Image-2

Circle of Illumination Image-2

Circle of Illumination Image-2

Axial Precession – 26,000 Years – Changes North Star (Polaris to Vegas)

Axial Precession Image-1

Axial Precession Image-1

Axial Precession Image-1

Axial Precession Image-2

Axial Precession Image-2

Axial Precession Image-2

Perihelion Precession

Perihelion Precession Image

Perihelion Precession Image

Perihelion Precession Image

Solstice and Equinox

Solstice and Equinox Image

Solstice and Equinox Image

Solstice and Equinox Image