Pre-
Which prefix means "before" or "in advance'"?
pre
What does the suffix "-less" mean?
without
What does the root "bio" mean?
life
Use the sentence "She was speechless after the award" to explain the meaning of "speechless."
Too surprised or shocked to speak.
Which word means "a test given before the real test"?
pretest
What does the word "precaution" mean?
a measure taken in advance to prevent harm
What does "motionless" mean?
without movement; still
What is a "biography"?
a piece of writing about a person's life written by someone else
In "He took precautions before hiking in the rain," what does "precautions" mean?
measures taken in advance to prevent harm
Which word best means "without having to try; easy"?
effortless
Give a synonym for "precede" based on its meaning "to come before."
come before, lead, go ahead of
Choose the correct definition of "reckless": (A) careful, (B) without responsibility; careless, (C) movable.
B
Define "biology" in one sentence appropriate for grade 6.
The study of living things.
Find the meaning of "prevent" from context: "They locked the doors to prevent people from entering."
to stop something from happening
Which word contains the root "bio" and means "study of living things"?
biology
Use "predict" in a sentence that shows its meaning "to say what will happen before it occurs."
Student example — Accept sentences like "I predict it will rain tomorrow."
Create a sentence using "speechless" that makes its meaning clear.
Student example — Accept sentences like "She was speechless when she saw the surprise party."
What does "antibiotic" do according to the unit?
a medicine that destroys harmful bacteria and cures infections
From the sentence "The patient needed a biopsy to check the tissue," explain what "biopsy" likely means.
removal of living tissue for diagnostic examination
Pick the word that contains the prefix "pre-" and means "to come before something else in time"
precede
Explain how the prefix "pre-" changes the meaning of the base word "test" in "pretest."
It makes the word mean a test given before the real test to check prior knowledge.
Explain how the suffix "-less" changes the meaning of "worth" in "worthless."
It changes "worth" (value) to "without value" — not worth anything.
Explain "symbiosis" and give one simple example.
How two different living organisms live together and depend on each other; example: bees and flowering plants — bees get nectar, plants get pollinated.
Read: "Because the machine was motionless, the workers checked the power switch." Use context clues to define "motionless.
not moving; still
xplain how you can use the root, prefix, or suffix to figure out the meaning of the word "antibiotic."
"bio" = life, "anti-" = against → antibiotic = medicine against life (of bacteria) — it destroys harmful bacteria