Earth, Sun and Moon

I know that the Earth, Sun and Moon are spherical.  [ball-shaped]

I know and can explain that different parts of the Earth face the Sun during the course of the day and where it is day and night

I can explain that the apparent movement of the Sun is a result of the Earth rotating or spinning

I know that the Earth spins on its own axis

I know that the Earth takes one year to make one complete orbit of the Sun

I know and can explain the different phases of the Moon
 
I know that the Moon orbits the Earth once every 28 days