| topic | requirement | ||||||
| Atomic structure |
describe the structure of atoms and ions in terms of protons, electrons
and neutrons. |
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| Momentum and circular motion | describe some examples of circular motion, from atomic
physics and from planetary motion. recall that an object moving in a circle requires a force and that this force acts towards the centre of the circle. recall that if this force is removed the object will fly off at a tangent to the circle. |
√ √ √ |
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| Gravitation | understand that gravitational force acts towards
the centre of every astronomical object understand that gravitational forces act between all masses and know that the magnitude diminishes with distance and increases with mass. |
√√ √√ |
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| Galaxy Universe | recall that the Universe is made up of innumerable galaxies. A galaxy is a vast number of star systems held by gravitational forces. The Milky Way is the galaxy which contains our solar system. | √√ | √ | ||||
| Big Bang and steady state | describe the Big Bang and steady state model for the formation of the universe. | √√ | √√ | √ | |||
| Stars | describe how stars are formed (the life cycle of stars is not required). | √ | √ |