Why do the stars look small?

Unscramble the jumbled letters and fill in the blank: (RATS)

The sun is a _____.

Choose the right word and fill in the blank provided below.

[East, North, South]

The sun rises in the _____. 

Fill in the blank with a suitable word:

The moon changes its _____ (size/shape) every night.

Fill in the blank with a suitable word:

When the moon looks round like a ball it is called _____ (full moon/half moon).