Colorful Sentences

She swam. 

The sky became dark.
How dark?  What did the air feel like?  What did it sound like?  Were there clouds? Was a storm coming?  Have you ever been outside when there was a sudden change in weather? What was it like?  Why did the sky become dark?  What are some other words for dark?  What is it like when the sky becomes dark in the winter? 

My dog has spots.
What color and shape are the spots?  What do the spots look like?  What kind of dog?  Where are the spots? 

Fireworks exploded in the sky.



My brother's room is always a mess.  there are clothes on the floor.  The bed isn't made.  There is dust under the furniture. As you can see, my brother's room is really untidy.

My brother's room is always a mess.  [How could you make this description more precise -- more colorful?]