Motions of the Earth

What is a leap year?

Distinguish between summer solstice and winter solstice?

Why both hemispheres experience different winter and summer solstice?

Which motion of the earth causes change in seasons?

Why the southern hemisphere celebrates Christmas in summers?

Why do the poles experience about six months day and six month night?

Why days and nights are not of equal length?

Define rotation and revolution of the Earth.

Why do seasons occur?

Explain the following terms.

Why areas near the poles receive less heat?

What is winter Solstice?

What causes change in seasons?

What is the shape of the Earth?

What do you understand by the term autumn equinox?

What are the effects of the earth's revolution?

When do the sun rays fall directly on the equator?

When Christmas is celebrated in Australia?

How long does it take the earth to complete one rotation around its axis?

How is the rotation of the Earth responsible for causing day and night?