Lesson 18 Greek & Latin Roots

Today we will learn to recognize the roots of
words and understand what they mean

Definition of root = the small chunk of
meaning that a word is built on
Example “cred” = believe
 “cred” is the root of words like “incredible”

 Credible
 Incredible
Cred = (believe)
 Chronological
 Chronic
Chrono (time)
Prescription
Scripture
Script
(write)
Photo (light)
 Photography
 Photosynthesis
 Telephoto
 Photogenic
 Photocopy
 Photoelectronics
 Photographer
 Photometer
 Senses
 Sensory
 Sensuous
 Senseless
 Nonsense
 Sensor
 Sensitive
 Sensational
Sens (feel)
 Biology
 Biopsy
 Biodegradable
 Biochemistry
 Biological
 Biography
 Biosphere
Bio (life)
 Autobiography
Vis (see)
Spec (see)
Spectacles
 Spectacular
 Spectator
 Inspect
 Suspect
 Vision
 Vista
 Envision
 Visor
 Video
 Improvise

 Literature
 Illiterate
 Literary
 Literal
 Litany
 Liturgy
Lit
(letter)
 Astronomy
 Asteroid
 Astrology
 Astronomical
 Astrophysics
 Astrolabe
 Astronaut
Aster (star)
Therm
(heat)
 Thermometer
 Thermos
 Geothermal
 Thermodynamic
 Hypothermia
 Portable
 Transport
 Teleport
 Airport
 Heliport
 Transportation
 Import
 Export
Port (carry)
Use your composition book to:
 Write
down the answers, not the
questions to handout packet
“Vocabulary Practice”
 Do
not write in the packets
Tonight’s homework
is…
A
take-home matching
quiz on word roots
Due
tomorrow