-FUL Words
Means “full of hope”
hopeful
Means “to work together”
co-operate
Choose the correct spelling: finan___ (cial or tial?)
financial (comes from “finance” → -ce words use –cial)
Choose the correct ending: inven___ (tion or sion?)
invention (root ends in “t” → use –tion)
What does the suffix “–ology” mean?
The study of
Means “full of beauty”
beautiful
Means “to enter again”
re-entry
Choose the correct word: essen___ (cial or tial?)
essential (consonant “n” before ending → –tial)
Choose the correct word: confu___ (tion or sion?)
confusion
What does biology study?
Biology = study of living things
Add “-ful” to “mercy”
merciful
Means “to apply again”
re-apply
Why does “commercial” use –cial instead of –tial?
Because it comes from “commerce” (a -ce base word → use –cial)
Why does “decision” use –sion instead of –tion?
Because the root “decide” ends in “d” → changes to –sion
What does ecology study?
Ecology = study of how living things interact with environment
Add “-ful” to “duty” and apply the spelling rule
dutiful (change “y” to “i” before adding -ful)
Compound word meaning “well known”
well-known
Choose the correct word: residen___ (cial or tial?) and explain why
residential
Reason: consonant “n” before ending → –tial
Choose the correct word: musi___ (tion or cian?) and explain why
musician
Reason: –cian is used for jobs/people
Match the word to the meaning: meteorology
Meteorology = study of weather and atmosphere
Explain the spelling rule when adding “-ful” to words ending in “y”
Change “y” to “i” before adding -ful when the word ends in a consonant + y
Explain why a hyphen is used in “co-operate”
A hyphen is used because the prefix ends with a vowel and the root word begins with a vowel
Explain why “initial” uses –tial even though there is a vowel before it
initial” is an exception
Even though there is a vowel before, it still uses –tial
Explain the rule difference between –tion, –sion, and –cian with one example each
–tion → the most common, usually if the root word ends in “t” (e.g., action)
–sion → used when the root word ends in i, s or d. Soft sounds (e.g., decision)
–cian → for jobs (e.g., clinician)
Explain the difference between astronomy and cosmology
Astronomy = study of stars, planets, space
Cosmology = study of the origin and structure of the universe. Cosmology studies the whole universe and how it started.