Topic Root Words
Root Word
1.
2.
3.
4.
5.
6.
7.
8.
9.
Group: 3
Meaning
aqua
hydro
hydra
arbor
dendron
ignis
pyro
terra
geo
bio
water
lithos
petros
sauros
saur
thermos
zoo
zo
stone
rock
lizard
tree
fire
Earth
land
life
heat
animal
Nature
Key Word(s)
aquarium
hydroplane
dehydrate
Arboretum
dendrite
ignite
pyromaniac
territory
geography, geometry
biology
biography
monolithic
petrified
tyrannosaurus
(T-rex)
thermometer
zoo
zoology
Root Words Group 3 Nature Words and Definitions
Word
Part of Pronunciation
speech
aqueduct
n.
(ˈäkwəˌdək)
arboretum
dendrite
n.
n.
(ärbəˈrētəm)
(ˈdendrīt)
reignite
pyre
v.
n.
(rē-iɡˈnīt)
(ˈpī(ə)r)
terrain
n.
(təˈrān)
geocaching
n.
(ˈjēōˌkaSHiNG)
biopsy
n.
(ˈbīˌäpsē)
hydraulics
n.
(hīˈdrôliks)
monolith
n.
(ˈmänəˌliTH)
petroleum
dinosaur
thermostat
n.
n.
n.
(pəˈtrōlēəm)
(ˈdīnəˌsôr)
(ˈTHərməˌsta)
protozoan
n.
(proh-tuh-zoh-uh)
Meaning
a structure for bringing water to where it
is needed
a garden devoted to trees
a short branched extension of a nerve
cell, along which impulses received
from other cells at synapses are
transmitted to the cell body
starting a burning process or a fire again
a heap of combustible material,
especially one for burning a corpse as
part of a funeral ceremony
a stretch of land, especially with regard
to its physical features
the recreational activity of hunting for
and finding a hidden object by means of
GPS coordinates posted on a website
an examination of tissue removed from
a living body to discover the presence,
cause, or extent of a disease
the science that deals with ways to use
liquid (such as water) when it is moving
a large single upright block of stone,
especially one shaped into or serving as
a pillar or monument
oil from rocks
terrible lizard
a device that automatically regulates
temperature, or that activates a device
when the temperature reaches a certain
point
earliest form of one-celled animal life
on Earth