Transcript Lesson 5 (116-125) updated

The Word Within the Word
Stem Lesson 5
Part 2 (stems 116-125)
116. geo
meaning: earth
Sentence example:
Which earth study do you prefer:
geology, geography, or geophysics?
Clue Words:
geography, geothermal, geology,
geophysics, geometry, geode
geography
• the study of the spatial and physical
characteristics of the earth’s surface
117. helio
meaning: sun
Sentence example:
Galileo thought that the solar system
was heliocentric, not earth-centered.
Clue Words:
Helios, heliotropic, heliocentric, heliograph,
perihelion, aphelion
heliotropic
• turning or growing towards the light
118. thermo
meaning: heat
Sentence example:
The thermotropic plants were killed
by the cold front.
Clue Words:
thermostat, thermos, thermotropic,
thermonuclear
thermotropic
• oriented growth in response to heat
119. tetra
meaning: four
Sentence example:
Is a square a tetragon or a
tetrahedron?
Clue Words:
tetrameter, tetrahedron, tetragon,
tetrachloride, tetracycline
tetrahedron
• a four-sided object
120. meter
meaning: measure
Sentence example:
The hydrometer measured the flow of
the trout stream.
Clue Words:
thermometer, millimeter, octameter,
hydrometer, odometer
hydrometer
• an instrument for determining the specific
gravity of a liquid
121. scope
meaning: look
Sentence example:
A UFO appeared on the radarscope.
Clue Words:
telescope, microscope, periscope,
radarscope, horoscope, electroscope
microscope
• an optical instrument used to magnify
122. son
meaning: sound
Sentence example:
The senator’s sonorous voice was
her best political weapon.
Clue Words:
sonar, unison, sonorous, sonnet,
dissonance, resonant, supersonic
resonant
• sounding again or echoing
123. dec
meaning: ten
Sentence example:
The Olympic decathlon winner was
famous for a decade.
Clue Words:
decade, decimal, decagon, decathlon,
decimate, Decalogue
Bryan Clay
2004 Silver Medal
Athens Olympics
decathlon
• an athletic contest containing ten trackand-field events
124. stell
meaning: star
Sentence example:
The interstellar spaceship launching
was a stellar occasion.
Clue Words:
interstellar, stelliform, stellar, constellation,
stellate
Clue Words:
interstellar, stelliform, stellar, constellation,
stellate
interstellar
• between stars
125. amat
meaning: love
Sentence example:
The amateur astronomer was an
amiable fellow who loved his hobby.
Clue Words:
amatory, amateur, amorous, amiable,
amigo
amorous
• of or pertaining to love