Seasons

Class 6 Social Science: motions of the Earth (revolution and seasons)

Move the Earth round the Sun month by month. Why is June hot and December cold in India?

Words to know

Revolution
The Earth's journey round the Sun, once a year.
Axis tilt
The Earth's axis leans by 23.5°, always in the same direction.
Summer solstice
Around 21 June: longest day in the northern half.
Equinox
Around 21 March and 23 September: day and night are about equal.

Quick check

Answer 3 questions to check what you learned.

1. What causes the seasons?
2. In June, the northern half of the Earth…
3. How long does the Earth take to go round the Sun?

Try at home

Note sunrise and sunset times from a newspaper or phone once a week for a month. Are the days getting longer or shorter?

Next, try a full lab