Vocabulary and Concept Development EDI

Vocabulary and Concept Development

EDIStandard: 1.4 Students will identify common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international).

Learning Objective• I will know common roots derived

from Greek and Latin and use this knowledge to analyze the meaning of complex words.

Activating Prior Knowledge• Have you heard the word television?• The root tele means “far away.”• Can you see the root astr in

astronomer?• The root terr means “star” or “outer

space.” • Can you see the root tele in the

Spanish word “telefono” or in the English word telephone?

Concept Development• Root : The fundamental element of a word or form, exclusive of all affixes and inflectional phonetic changes.

• Root: The root is the part of the word that contains the basic meaning.

Tell your partner

what a root is.

A root is the part of the word that

contains the basic meaning.

Read the following Latin roots.

teledistant; far away Greek

astr star; outer spaceGreek

Importance• Have you ever been confused about

a word and have not been able to figure out its meaning?

• Have you ever had to use knowledge of word meaning to figure out the meaning of a new or difficult word?

Skill Development• Read these words:

astronaut

astronomical

telecast

astronomy

teleconference

telegraph

telemarketing

telescope

• Read these definitions / synonyms:

extremely large, huge)

the branch of science for the study of planets, stars, and space.

a broadcast by television

an instrument used to send messages over distances through electrical wires

a meeting using long-distance devices, such as telephones, televisions, or computers

space traveler

selling by telephone

an instrument used to make distant objects look closer and larger

• Match the words with the correct definitions or synonyms:

astronaut

astronomical

telecast

astronomy

teleconference

telegraph

telemarketing

telescope

extremely large, huge

the branch of science for the study of planets, stars, and space.

a broadcast by television

an instrument used to send messages through wires over distances

a meeting using long-distance devices, such as telephones, televisions, or computers

space traveler

selling by telephone

an instrument used to make distant objects look closer and larger

Answer these questions:

1. What is a root?2. Does tele as in telemarketing mean selling by

phone or in the market?3. What does the root astr mean?4. What is the root in astronomy?5. What does the root mean?

Identify the roots.

• telescope• astronaut• telemarketing• astronomical• telegraph• astronomy• teleconference• telecast

Guided Practice

Meaning in ContextUse the words in the box to fill in the blanks in the following paragraph.

astronaut telecast astronomy teleconference telescope

Miguel turned on the television to watch the (1) ________ he had been waiting a week to see. Tonight two of his heroes were going to be interviewed for an hour. They were an engineer who had worked on moon landings and an (2) ______________ who had traveled to the moon. Miguel had a (3) _____________ in his backyard and he often looked at the moon’s changes. He hoped that someday he could walk on its surface. Last year, His science teacher had set up a (4) ________________ so that he and other members of the (5) ________________ club could ask questions of scientists at the local university. But tonight, Miguel would be able to hear someone who had actually been on the moon.

telecast

Closure• A root is –

• the part of the word that contains the basic meaning.

Independent Practice

Match the bolded word with the best synonym:

1. learning about astronomya. space travel b. science of space c. space scientist

2. a long teleconferencea. meting b. series c. announcement

3. an astronomical figurea. distant b. important c. huge

4. to send by telegrapha. horse b. train c. electrical currents through wires

5. the job of telemarketinga. writing b. phoning c. mailing

ExtensionThe word telescope has two meaningful parts: tele and scope. You know that tele means “far away.” Scope is derived from the Greek word skopein meaning “to see.” A telescope is an instrument that helps you to see objects that are far away.

Here as some instruments that include scope. Match each of them with what it helps you see.

1. __ microscope2. __ periscope3. __ kaleidoscope4. __ ophthalmoscope

a. an instrument (tube) that you can twist that has changing patterns

b. an instrument used to see very tiny items

c. an instrument used to see the inside of the eye

d. an instrument used to see things that are above, as from a submarine

b

d

a

c