1. Orbits and Motion – Differences between the orbits of comets and planets, the speed variation of a comet in its orbit, and identifying the fastest-moving position.

2. Atomic Structure and Radioactivity – Definitions of atomic number, mass number, isotopes, and radioactive decay; differences between alpha and beta radiation.

3. Waves and Energy Transfers – Characteristics of sound and light waves, calculation of wave speed and frequency, and differences in their properties.

4. Planetary Properties – Relationship between gravitational field strength, orbital radius, and orbital speed; factors affecting gravitational strength on different planets.

5. Energy and Motion – Energy conservation principles, energy transfer in moving objects, efficiency calculations, and kinetic energy determination.

6. Forces and Motion – Understanding vector quantities, forces acting on objects in motion, pressure variations in liquids, and energy changes in free-fall situations.