Category 1: Morpheme Meanings
This root means water.
aqua
The teacher gave students confidence and support before their presentation.
Which vocabulary word best describes what the teacher did?
encourage
Annual contains a root meaning year.
What does annual mean?
Happening every year.
Which word is the opposite of weaken?
strengthen
A city discovers an underground layer of rock that holds groundwater.
What vocabulary word describes it?
aquifer
These morphemes mean year.
anni, annu, enni
After months without rain, the town had nearly used up its entire water supply.
deplete
Forewarn contains fore-, meaning before or earlier.
What does forewarn mean?
To warn someone in advance.
Which two words are closest in meaning?
foresee — predict — reduce — transmit
foresee and predict
A school opened in 1926 and celebrates its 100th anniversary in 2026.
What adjective best describes the celebration?
centennial
This suffix means condition of.
-dom
Before leaving for a camping trip, Carlos checked the weather, packed emergency supplies, and planned for possible problems.
What vocabulary word describes his careful planning?
forethought
Freedom contains -dom, meaning condition of.
Explain how the suffix helps you understand the word.
Freedom is the condition or state of being free.
In the sentence below, what part of speech is aquatic?
The aquarium contains several aquatic plants.
Adjective
Engineers built a structure to carry water from distant mountains into a city.
What vocabulary word names this structure?
aqueduct
This root means lead and appears in words such as conduct and induce.
duct/duc
The doctor gave the patient medicine that worked against the effects of a poison.
antidote
Break down transmit using two morphemes you have studied.
trans- = across/through
mit = send
Transmit = to send across/from one place to another.
Both annual and centennial contain a morpheme related to years. What is the difference?
Annual means every year; centennial relates to 100 years.
A student says:
“An aqueduct must be a place where fish live because aqua means water.”
Explain the mistake.
Aqua only tells us that the word relates to water. An aqueduct is a structure that transports water, not a place where aquatic animals live.
Name both morphemes:
trans- and anti-
A character repeatedly interferes with the main character's goals but is not necessarily evil.
What vocabulary word best describes this character?
antagonist
The root arch means chief or ruler. Why does this help explain the word archenemy even though an archenemy does not rule anything?
Arch- can indicate the main or chief enemy, so an archenemy is someone's greatest or main enemy.
Both transport and transform contain trans-. Explain how the morpheme contributes differently to each word.
In transport, it relates to moving across/from one place to another.
In transform, it relates to changing something into another form.
A student has never seen the word deactivation, but knows:
What can the student reasonably infer about deactivation?
It involves stopping, reducing, or removing something from an active/working state.