| Rotation of the Earth: The Day/Night Cycle |
| Observing the Sky | Animations and descriptions of celestial motions that result from the Earth’s rotation, axial tilt and orbit around the Sun. |
| Moon Phases |
| Phases of the Moon lesson plan | Includes background information, applet showing phases of the moon, worksheets and activites (Yr 9 level but can be adapted). |
| Other Explanations | |
| Phases of the Moon | Animation explaining how the phases of the Moon result from the Moon’s orbit around the Earth |
| Phases of the Moon | Animation showing the Moon going through its phases |
| What is the Moon’s phase? | Input the day, month and year to see the phase of the moon on that date |
| The phases of the Moon for any month | Input the month and year to see the phases of the Moon on a calendar for that month |
| Tides |
| Lunar Tides lesson plan | Includes background information, applet showing tidal bulges caused by Moon, worksheets and activites (Yr 9 level but can be adapted). |
| Other Explanations | |
| Lunar Tides | Animation showing how lunar tides follow the Moon as the Earth rotates beneath them. |
| Seasons |
| Seasons lesson plan | Includes background information, applet showing Earth with tilted axis going around Sun, worksheets and activites (Yr 9 level but can be adapted). |
| Other Explanations | |
| Eclipses |
Teachers Domain (worthwhile registering) | |
| Solar and Lunar Eclipses lesson plan | Includes background information, applet, worksheets and activites (Yr 9 level but can be adapted). |
| Lunar Eclipses for Beginners | Fred Espenak is the eclipse guru on the web |
| Solar Eclipses for Beginners | Fred Espenak is the eclipse guru on the web |
| Other Explanations | |
| Planets of the Solar System : General |
| Planetary Society | Information and recent news about the planets and space missions to explore the Solar System. |
| NASA Exploration: Solar System | Solar System in detail by NASA. With links to missions to each planet and activities. |
| The Nine Planets | A multimedia tour of the Solar System by Bill Arnett. |
| Views of the Solar System | Information on each of the planets and their moons. |
| Windows to the Universe | Solar System information written at various levels. |
| Kids Astronomy: Solar System | Aimed at kids, this Solar System material is written for them. |
| Astronomy Notes | Online textbook. Section 9 and 10 covers the Solar System. |
| Astronomy 161: The Solar System | Lecture series on the Solar System. |
| Planets of the Solar System : Individual |
| Mercury | |
| Venus | |
| (Moon) | |
| Mars | |
| Jupiter | |
| Saturn | |
| Uranus | |
| Neptune | |
| Pluto | |