1. Seen from a skyscraper, a man looks like a speck of dust.

What about:

1. blade of grass in the middle of a field ?

2. a star, in the Milky Way ?

3. the Milky Way in the Universe ?

4. an electron and its nucleus ?

5. a raft on the open sea ?

6. a bird on the horizon ?
   
   
   

2. Seen through a microscope, a speck of dust reveals a universe.

What about:

1. a rose petal ?

2. a stone fragment ?

3. a slip of paper ?

4. a potato peel ?

5. a butterfly's wing ?

6. a flea ?