Clue Hunter Worksheet
CKLA Unit 2: Animal Classification
Name: Date:
Clue Hunter Worksheet Grade 3
Use clues in each sentence (definitions, examples, or contrasts) to uncover the meaning of the bold word.
Detective Tip: Look for clue words like such as, unlike, or words set off by commas!
Part 1
Underline the Clue & Choose the Meaning
- Unlike a soft jellyfish, a grizzly bear is a vertebrate because it has a sturdy internal backbone running down its spine.
Step 1: Underline the clue words in the sentence. Step 2: Choose the best meaning.
A an animal with a backbone
B a creature with no bones
C an ocean animal that stings
- Biologists classify animals into distinct groups, such as mammals, birds, and fish, by matching their shared traits.
Step 1: Underline the clue words in the sentence. Step 2: Choose the best meaning.
A to feed wild creatures
B to arrange into groups
C to count total babies
- The barn owl is a nocturnal bird; it rests quietly during the daylight and hunts for mice only after dark.
Step 1: Underline the clue words in the sentence. Step 2: Choose the best meaning.
A active mostly at night
B sleeping through the night
C flying in massive flocks
Part 2
Write the Meaning & Your Clue Evidence
- A beaver's wetland habitat gives it everything it needs to survive, including water to swim in and bark to eat.
What does habitat mean?
Which clue words helped you know?
- While many harmless snakes have no poison, the rattlesnake is venomous and can inject toxic fluid with its bite.
What does venomous mean?
Which clue words helped you know?
Detective Self-Check: Did you underline clue words in sentences 1–3?
Yes, I found them!
