Clarify the Meaning of Unknown Words

​Greek and Latin Word Parts

L5.4 Determine and/or clarify the meaning of unknown and multiple-meaning words​ and phrases using strategies

Poll

SELF-ASSESSMENT:

How do you assess yourself about word parts (roots, prefixes, affixes)?

• Proficient

• Learner

• Beginner

Multiple Choice

The root "chron" in chronology means...

• light

• say

• time

• carry

Multiple Choice

The root "dict" in dictator means ...

• light

• say or speak

• time

• carry

Multiple Choice

The root "graph" in autograph means ...

• write

• say or speak

• time

• carry

Multiple Choice

The root "photo" in photosynthesis means ...

• write

• say or speak

• light

• carry

Multiple Choice

The root "port" in portable means ...

• write

• say or speak

• light

• carry

Multiple Choice

The root "rupt" in eruption means ...

• write

• say or speak

• light

• break

Multiple Choice

The root "scrib" or "script" in inscription means ...

• write

• say or speak

• light

• break

Multiple Choice

The root "spec" or "spect" in spectators means ...

• write

• say or speak

• look

• break

Multiple Choice

The prefix co- in coexist means...

• with

• against

• able to

• action, process

Multiple Choice

The prefix contra- in contradict means...

• with

• against

• able to

• action, process

Multiple Choice

The prefix syn- in synonym means...

• same, together

• against

• able to

• action, process

Multiple Choice

The suffix -able or -ible in reasonable means...

• same, together

• having the

  quality of

• able to, worthy of

• action, process

Multiple Choice

The suffix -sis in photosynthesis means...

• same, together

• having the

  quality of

• able to, worthy of

• action, process

​How do we now utilize the word parts strategy to determine the meaning of unknown words?

​I CAN use strategies to determine the meaning of unknown words.

During Science class, our teacher displayed a photograph of a tree.

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​photograph

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During Science class, our teacher displayed a photograph of a tree.

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(root word) photo = light

(root word) graph-​ = write or draw

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​TIDBITS: The word “photography” literally means “drawing with light”. The word was supposedly first coined by the British scientist Sir John Herschel in 1839 from the Greek words phos, (genitive: phōtós) meaning “light”, and graphê meaning “drawing or writing”.

​photograph

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Next, she dictated several terms related to plants.

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​dictated

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Next, she dictated several terms related to plants.

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(root word) dict = to say or speak

(suffix) -ed = (signifies a past action)​

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​1590s, "to practice dictation, say aloud for another to write down," from Latin dictatus

​dictated

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She inspected the notes of some students.

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​inspected

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She inspected the notes of some students.

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(root word) spect = to look

(suffix) -ed​ = (signifies a past action)

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​inspected

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Green plants use air, water, and sunlight to make food during photosynthesis.

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​photosynthesis

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Green plants use air, water, and sunlight to make food during photosynthesis.

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(root word) photo = light

(prefix) syn-​ = same, together

(root word) thesis = to place or put​

​(suffix) sis = action, process

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Who first studied photosynthesis?

Jan Ingenhousz (December 8, 1730 - September 7, 1799) was an 18th century Dutch physician, biologist, and chemist who discovered how plants convert light into energy, the process known as photosynthesis.

​photosynthesis

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​Independent Practice

​Some text here about the topic of discussion.

Multiple Choice

Our teacher explained to us that plants are autotrophs.

The prefix auto- means "self", and the root troph means "food".

What is the meaning of autotroph as it is used in the sentence?

• something that makes its own food

• something that eats food

• something that makes food for others

• something that becomes food

Multiple Choice

Our teacher told us to apply our cognition to that fact.

The root cogn- means "know", and the suffix -tion means "the state or quality of".

What is the meaning of cognition as it is used in the sentence?

• best efforts

• thinking skills

• full belief

• feelings about

Multiple Choice

She told us to check our science books if we doubted the veracity of her claims.

The root ver means "true", and the suffix -ity means "to have the quality of".

What is the meaning of veracity as it is used in the sentence?

• greenness

• intelligence

• truth

• newness

Multiple Choice

Our teacher's prognosis was that if we studied we would all do fine on the test.

The prefix pro- means "before", and the root gnosis comes from a Greek word meaning "to know".

What is the meaning of prognosis as it is used in the sentence?

• prediction

• advice

• feeling

• understanding

Poll

SELF-ASSESSMENT:

How do you assess yourself about word parts (roots, prefixes, affixes)?

• Proficient

• Learner

• Beginner