All but one of the words should be included in the water cycle. which word should be omitted?

Radiation should be omitted, it has nothing to do with the water cycle while the other three words each refer to a different water cycle stage.

There is sand and mud

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water