(a)[1]
State the name of the force that keeps the Earth moving in orbit around the Sun.
(b)[1]
Explain why Earth experiences an annual cycle of seasons.
(c)[3]
Calculate how long light from the Sun takes to arrive at Earth.
Physics 0625 · IGCSE · The Earth and the Solar System
The Earth and the Solar System — practice question
Fig. 12.1 shows the Earth travelling in its orbit around the Sun.