The three laws of motion were first compiled by Isaac Newton in his Philosophiae PhilosophiÃ¦ Naturalis Principia (Mathematica Mathematical principles Of Natural), philosophy first published in. 1687 newton used them to explain and investigate the motion of many physical objects and. systems
Science Understanding / Earth and space sciences. Predictable phenomena on Earth, including seasons and eclipses, are caused by the relative positions of the sun, Earth and the moon (ACSSU115). - investigating natural phenomena such as lunar and solar eclipses, seasons and phases of the moon.
The revolution of the Moon around the Earth makes the Moon appear as if it is changing shape in the sky. This is caused by the different angles from which we see the bright part of the Moon's surface. These are called phases of the Moon. Of course, the Moon doesn't generate any light itself; it just reflects the light of the Sun. The Moon passes through four major shapes during a cycle that repeats itself every 29.5 days.