Sun
Suffix –ly (changes the word to an adverb)
 If base word end in y, change y to I then
add –ly
Suffix –y (add to a noun and it changes it to an
adjective)
 Drop a final e before adding –y
 In most cases, double a consonant
before adding –y
Suffix –ment and –tion (mean “action or
process”)
 When adding the –tion, if the base word
ends in t, drop the t and then add –tion.
1. slightly
2. kindly
3. partly
4. daily
5. scary
6. chewy
7. rusty
8. bony
9. shipment
10. payment
11. treatment
12. statement
13. selection
14. invention
15. action
Challenge Words
16. apartment
17. easily
Vocabulary Words
degrees: (plural form of degree) a measure
of heat or temperature
telescopes: (plural form of telescope) an
instrument that makes distant objects seem
larger and nearer
bursts: (plural form of burst) an explosion
devices: (plural form of device) a machine
slightly: just a little
oval: egg-shaped
orbit: the path in space that an object
follows as it moves in a circle around a
planet, moon, or star
tilted: on a slant
solar system: the sun and all the planets,
satellites, asteroids, and comets that
revolve around it
Grandmother Spider Brings the
Sun
Suffix –ful means “full of” or “having”) and –
able (means “able or “tending to be”)
Inflectional ending –ed (past tense action) and
–ing (action happening now)
 When adding suffixes or inflectional
ending, for words ending in:
1. Final e, drop the e before adding
ending
2. Consonant –y, change the y to I
before adding the ending
3. Consonant-vowel-consonant,
double the final letter before
adding the ending
1. ringed
2. painful
3. fixable
4. scared
5. helpful
6. filling
7. pleasing
8. wishful
9. notable
10. stunning
11. wearable
12. dressing
13. clogged
14. harmful
15. likable
Challenge Words
16. wonderful
17. injured
Vocabulary Words
directions: (plural form of direction) the
way to get somewhere
trickster: a type of sly, sneaky character
that often appears in folklore
sneak: to go quietly without being seen
bushy: shaggy and thick
squinty: eyes partly closed
ringed: marked with a circular pattern
clay: soft, sticky mud
guards: (plural form of guard) a person
whose job it is to watch over and protect
tight: fitting very closely together
rays: (plural form of ray) a beam of light or
energy
The Moon Seems to Change
Journey to the Moon
Suffixes –ity and –ness (meaning “state of
being”), -less (means “without or lacking”),
and –sion (means “the action of”
something)
 When adding –ity and –sion to words
with final e, drop the e before adding
the ending.
 For words that end in de or se, drop
the de or se before adding the
ending
Latin Roots
 grat-means “thankful or pleasing”
 mar- means “sea or ocean”
 miss(sometimes spelled mit)- means
“sent or send”
 port- means “carry”
Greek Roots
 ast- means “star”
 graph- means “something written or
drawn”
 log(sometimes spelled logue)means “to speak”
 scop- means “to look at or examine”
1. grateful
2. mission
3. report
4. autograph
5. astronaut
6. dialogue
7. import
8. marine
9. photograph
10. mariner
11. dismiss
12. gratitude
13. astronomy
14. apology
15. telescope
Challenge Words
16. biography
17. microscope
1. weakness
2. tension
3. sleepless
4. rarity
5. endless
6. sanity
7. fitness
8. priceless
9. purity
10. erosion
11. blindness
12. electricity
13. fairness
14. division
15. careless
Challenge Words
16. breathless
17. explosion
Vocabulary Words
full moon: seeing the whole circle of the
moon
quarter moon: phase of the moon in which it
looks like a half circle
sliver: a thin, narrow piece
crescent moon: the curved shape of the
waxing or waning moon
waxing: becoming bigger
waning: becoming smaller
new moon: phase of the moon in which it
cannot be seen
usually: regularly
occur: to happen
phases: (plural form of phase) the
appearance and shape of the moon or a
planet as it is seen at a particular time
Vocabulary Words
astronaut: a person who is trained to pilot or be a
part of the crew of a spacecraft
commander: the captain leading a ship or voyage
gigantic: very big
orbit: to circle around a heavenly body, such as
Earth or the moon
gravity: the force pulling thing toward the center of
a body in space, such as Earth or the moon
pressure: weight of one thing pushing against
another
experiments: (plural form of experiment) a test
launch: to send a spacecraft to outer space
technology: devices and machines that are created
for use in areas such as science and medicine
engineers: (plural form of engineer) a person trained
to plan and design things such as bridges, roads, or
airplanes
Earth: Our Planet in Space
Review skills from unit 4
 suffixes –ly, -y, -ment, -ful, -able, -ty,
-less, -ness, and –sion
 Inflectional ending –ing and –ed
 Latin and Greek Roots
1. scary
2. kindly
3. pleasing
4. clogged
5. harmful
6. ersosion
7. careless
8. statement
9. mariner
10. grateful
11. import
12. notable
13. electricity
14. weakness
15. telescope
Challenge Words
16. advertisement
17. amusing
Vocabulary Words
scale: the size of a map, picture, or
model compared with what it represents
astronomers: (plural form of
astronomer) someone who studies stars
atmosphere: area of gas surrounding a
planet
curve: a bending line
top: a spinning toy
rotation: motion about a center point, or
an axis
temperature: (plural form of
temperature) a measure of how hot or
cold something is
aurora: the appearance of light in the
night sky
scraped: (past tense of scrape) to push
or pull an object over another
signs: (plural form of sign) a trace
Unit 4 Review
1. apology
2. division
3. electricity
4. endless
5. helpful
6. likable
7. report
8. scary
9. shipment
10. weakness
Vocabulary Words
full moon: seeing the whole circle of the
moon
waxing: becoming bigger
occur: to happen
commander: the captain leading a ship or
voyage
oval: egg-shaped
solar system: the sun and all the
planets, satellites, asteroids, and comets
that revolve around it
directions: (plural form of direction) the
way to get somewhere
ringed: marked with a circular pattern
signs: (plural form of sign) a trace
horizon: the line where the sky and the
land or sea seem to meet