← 4.4 Earth and the Solar System
Revolution and human activities
Social Studies · Grade 7 · about 40 minutes
Revolution is the yearly orbit (about 365.25 days). With axial tilt it gives seasons, a calendar, leap years and farming cycles.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Origin of the earth
- Size, shape and position of Earth
- Rotation and human activities
- Revolution and human activities
- Internal structure of the earth