A solar eclipse only happens during (7)_________
as the Moon moves
between the sun and the earth. However, if the Sun, the earth and the moon are not
aligned, eclipses will (8)_________
happen.

There are two types of shadows formed during eclipses called the umbra and
penumbra. (9)_________
is a part of a shadow in which all light has been blocked,
is when only a part of the light is blocked so the light is dimmed
but not totally absent.
while (10)_________​