Collocations of DEEPEN

http://findwords.info/term/deepen

Simple and complex machines- worksheet

Force and its effects worksheet

Parallelism in grammar

http://encyclopedia.thefreedictionary.com/Parallelism+(grammar)

Describing people

http://busyteacher.org/15642-how-to-teach-students-to-describe-people.html

http://busyteacher.org/10609-teach-distinguishing-between-descriptions.html