6.1.1 — The Earth

Core

• 6.1.1.1 — Know that the Earth rotates on its tilted axis once every 24 hours and use this to explain day/night and the apparent daily motion of the Sun
• 6.1.1.2 — Know that the Earth orbits the Sun once every ~365 days and use this to explain the seasons
• 6.1.1.3 — Know that the Moon orbits the Earth in about one month and use this to explain the phases of the Moon

Supplement

• 6.1.1.4 — Define average orbital speed v = 2πr / T and recall and use this equation