The document discusses root words and their role in vocabulary development. It defines root words as the base or foundational part of a word and provides examples like "tele" and "vitamin." The document also explains that words in English are often formed by combining a prefix, root, and suffix. It provides root words like "bio," "hydro," and "geo" along with their meanings to help readers understand other words. In the end, it encourages learning roots to expand one's vocabulary and includes links for further root word reference.

1. Roots: Helping
our word
knowledge
grow
Debbie Lahav

2. What is a root word?
A root word is the base word or part of a word.
 Telephone
 Vitamin
Root words
Sometimes the roots are real words.
 cycle
 vent
Sometimes the roots are not a real word.
 geo
 sol

3. Words in English
Words in English are made up of:
[Prefix] + root word + [suffix]
Bi + cycle
sol + ar
Re + gen + erate

4. Root Meaning
bio- life
hydra/o- water
therm- heat
grav- heavy
geo- earth
carbo- coal
trans- across
scope see
micro small
-log- word (study of…)
techn- skill

5. Can you guess the meaning of the
words?
 Biohazard
 Hydroplane
 Geothermal
 Transatlantic
 Gravity
 Microwave
 Telescope
 technician

6. Make your
vocabulary grow!
Learn the meaning
of roots!
More on roots
 http://en.wikipedia.org/wiki/List_of_Greek_and_Latin_ro
ots_in_English
 http://www.macroevolution.net/root-word-dictionary.
html#.VDwYRfmSySo
 http://www.macroevolution.net/medical-root-words.
html#.VDwYYPmSySo
 Greek and Latin Roots: Video