Revolution — Science definition
A body’s orbital movement around another body or system.
Where it is taught
- Day, Night & Seasons: Rotation and Tilt — Earth, Moon, Sun & Space Models, Science 6: Matter, Energy & Earth Systems, Grade 6
Questions using revolution
Problem 1
Which statement correctly uses revolution in Day, Night & Seasons: Rotation and Tilt?
- Day and night are caused by Earth completing an orbit each day.
- revolution: A body’s orbital movement around another body or system.
- Opposite hemispheric seasons are explained by Earth–Sun distance alone.
- One illustrative result establishes every real condition and needs no further evidence.
Answer and explanation
revolution: A body’s orbital movement around another body or system.
A body’s orbital movement around another body or system. Summer gives 840 units per area per day and winter 350. Both longer daylight and the larger modeled received rate contribute. These illustrative values explain an energy mechanism, not a guaranteed daily temperature, and real clouds, surface properties, and seasonal response also matter.