R.5.5.09.03

Vocabulary Organizer Answer Key

Part 1:

Word / Affix or root #1 and meaning / Affix or root #2 and meaning / Definition (predicted) / Definition (dictionary)
astronomy / ast-
star / -nomos
law, order / The law or order of stars. / “The science that deals with the material universe beyond the earth’s atmosphere.”
(from )
asteroid / ast-
star / -oid
resembling / Something that resembles or looks like a star. / “A small rock body orbiting the sun.”
(from )
diameter / dia-
through, across / metr-
measure / The measure through or across an object. / “A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.”
(from )
gravity / grav-
serious, heavy / -ity
the state or quality / The quality of heaviness. / “The force of attraction by which terrestrial bodies tend to fall toward the center of the earth.”
(from )
orbit / orb-
circle / -it
go / Going in a circle (v) or a circular path (n). / “The curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.”
(from )
protoplanetary / prot-
first / -ary
of or pertaining to / Of or pertaining to the first planets or development of planets. / Relating to “a planet in its early stages of evolution…”
(from )
telescope / tele-
far / -scope
see, watch / Far-seeing. / “An optical instrument for making distant objects appear larger and therefore nearer.
(from )
terrestrial / terr-
earth or land / -ial / Earth or land-like. / “Of, on, or relating to the earth.”
(from )
solar / sol- / -ar / Pertaining to the sun. / “Of, relating to, or determined by the sun.”
(from )

Part 2: Choose two affixes/roots from today’s lesson and find two words with the affixes/roots. Complete the chart below.

Word root or affix: / Example of word #1 / Definition (predicted) / Definition (dictionary) / Sentence with word used effectively:
-ar / polar / Of or pertaining to poles. / Of or pertaining to the poles (North or South pole; magnetic poles)
(from ) / I wanted to research the polar regions to determine the climate of both.
Answers will vary.
Answers will vary.
Answers will vary.
Answers will vary.

Office of English Language Arts, Pre K - 12May, 2014