Word Power Lab

Lesson 1: Character & Judgment

Decode • Connect • Apply • Transfer

Use roots as meaning clues, then test them in real context.

Root Discovery Map

Six root families. Twelve target words.

bene = good, well

beneficial - producing a good or helpful result

benign - gentle, harmless, or not dangerous

mal = bad, evil

malfunction - a failure to work correctly

malignant - harmful, dangerous, or likely to become worse

cred = believe, trust

credibility - the quality of being believable or trustworthy

credulous - too ready to believe things

prob = test, prove

probable - likely to happen or be true

reprobate - a person viewed as morally unprincipled

ver = true

verify - to confirm that something is true or accurate

veracity - truthfulness or accuracy

fid = faith, trust

fidelity - faithfulness or accuracy

confide - to share a private matter with someone trusted

The 5-Step Decode Method

Roots are clues - not complete definitions.

1 Spot

Find the root.

2 Recall

Recall its broad meaning.

3 Combine

Add prefix/suffix clues.

4 Test

Test against context.

5 Confirm

Confirm with a reliable definition.

Mastery Check 1-2

Choose the best answer. Answers are kept separate.

1. Which word best matches this meaning: “producing a good or helpful result”?

A. credibility

B. benign

C. beneficial

D. malfunction

2. Which word best matches this meaning: “gentle, harmless, or not dangerous”?

A. reprobate

B. benign

C. fidelity

D. probable

Mastery Check 3-4

Choose the best answer. Answers are kept separate.

3. Which word best matches this meaning: “a failure to work correctly”?

A. credibility

B. verify

C. malfunction

D. beneficial

4. Which word best matches this meaning: “harmful, dangerous, or likely to become worse”?

A. malfunction

B. reprobate

C. confide

D. malignant

Mastery Check 5-6

Choose the best answer. Answers are kept separate.

5. Which word best matches this meaning: “the quality of being believable or trustworthy”?

A. benign

B. fidelity

C. credibility

D. veracity

6. Which word best matches this meaning: “too ready to believe things”?

A. probable

B. malfunction

C. reprobate

D. credulous

Mastery Check 7-8

Choose the best answer. Answers are kept separate.

7. Which word best matches this meaning: “likely to happen or be true”?

A. probable

B. fidelity

C. malignant

D. beneficial

8. Which word best matches this meaning: “a person viewed as morally unprincipled”?

A. malignant

B. malfunction

C. reprobate

D. veracity

Mastery Check 9-10

Choose the best answer. Answers are kept separate.

9. Which word best matches this meaning: “to confirm that something is true or accurate”?

A. credulous

B. probable

C. verify

D. beneficial

10. Which word best matches this meaning: “truthfulness or accuracy”?

A. malignant

B. verify

C. beneficial

D. veracity

Mastery Check 11-12

Choose the best answer. Answers are kept separate.

11. Which word best matches this meaning: “faithfulness or accuracy”?

A. reprobate

B. confide

C. beneficial

D. fidelity

12. Which word best matches this meaning: “to share a private matter with someone trusted”?

A. reprobate

B. confide

C. malfunction

D. benign

Mastery Check 13-14

Choose the best answer. Answers are kept separate.

13. Which vocabulary word is connected to the root bene, meaning “good, well”?

A. credibility

B. benign

C. beneficial

D. malfunction

14. Which vocabulary word is connected to the root bene, meaning “good, well”?

A. probable

B. benign

C. malfunction

D. confide

Mastery Check 15-16

Choose the best answer. Answers are kept separate.

15. Which vocabulary word is connected to the root mal, meaning “bad, evil”?

A. malfunction

B. credulous

C. verify

D. probable

16. Which vocabulary word is connected to the root mal, meaning “bad, evil”?

A. confide

B. probable

C. malignant

D. veracity

Mastery Check 17-18

Choose the best answer. Answers are kept separate.

17. Which vocabulary word is connected to the root cred, meaning “believe, trust”?

A. veracity

B. malfunction

C. confide

D. credibility

18. Which vocabulary word is connected to the root cred, meaning “believe, trust”?

A. veracity

B. credibility

C. benign

D. credulous

Mastery Check 19-20

Choose the best answer. Answers are kept separate.

19. Which vocabulary word is connected to the root prob, meaning “test, prove”?

A. probable

B. confide

C. malignant

D. benign

20. Which vocabulary word is connected to the root prob, meaning “test, prove”?

A. probable

B. veracity

C. reprobate

D. benign

Mastery Check 21-22

Choose the best answer. Answers are kept separate.

21. Which vocabulary word is connected to the root ver, meaning “true”?

A. credulous

B. fidelity

C. veracity

D. verify

22. Which vocabulary word is connected to the root ver, meaning “true”?

A. veracity

B. malignant

C. reprobate

D. benign

Mastery Check 23-24

Choose the best answer. Answers are kept separate.

23. Which vocabulary word is connected to the root fid, meaning “faith, trust”?

A. fidelity

B. benign

C. malfunction

D. confide

24. Which vocabulary word is connected to the root fid, meaning “faith, trust”?

A. fidelity

B. benign

C. reprobate

D. confide

Mastery Check 25-26

Choose the best answer. Answers are kept separate.

25. A writer needs a word expressing the idea “producing a good or helpful result.” Which choice is most precise?

A. verify

B. beneficial

C. benign

D. reprobate

26. A writer needs a word expressing the idea “gentle, harmless, or not dangerous.” Which choice is most precise?

A. veracity

B. credulous

C. benign

D. verify

Mastery Check 27-28

Choose the best answer. Answers are kept separate.

27. A writer needs a word expressing the idea “a failure to work correctly.” Which choice is most precise?

A. veracity

B. confide

C. malfunction

D. verify

28. A writer needs a word expressing the idea “harmful, dangerous, or likely to become worse.” Which choice is most precise?

A. malfunction

B. credibility

C. malignant

D. veracity

Mastery Check 29-30

Choose the best answer. Answers are kept separate.

29. A writer needs a word expressing the idea “the quality of being believable or trustworthy.” Which choice is most precise?

A. credibility

B. beneficial

C. reprobate

D. benign

30. A writer needs a word expressing the idea “too ready to believe things.” Which choice is most precise?

A. veracity

B. benign

C. probable

D. credulous

Mastery Check 31-32

Choose the best answer. Answers are kept separate.

31. A writer needs a word expressing the idea “likely to happen or be true.” Which choice is most precise?

A. credibility

B. reprobate

C. probable

D. malfunction

32. A writer needs a word expressing the idea “a person viewed as morally unprincipled.” Which choice is most precise?

A. probable

B. reprobate

C. veracity

D. credibility

Mastery Check 33-34

Choose the best answer. Answers are kept separate.

33. A writer needs a word expressing the idea “to confirm that something is true or accurate.” Which choice is most precise?

A. beneficial

B. verify

C. probable

D. fidelity

34. A writer needs a word expressing the idea “truthfulness or accuracy.” Which choice is most precise?

A. veracity

B. reprobate

C. benign

D. credulous

Mastery Check 35-36

Choose the best answer. Answers are kept separate.

35. A writer needs a word expressing the idea “faithfulness or accuracy.” Which choice is most precise?

A. beneficial

B. reprobate

C. benign

D. fidelity

36. A writer needs a word expressing the idea “to share a private matter with someone trusted.” Which choice is most precise?

A. malfunction

B. beneficial

C. veracity

D. confide

Mastery Check 37-38

Choose the best answer. Answers are kept separate.

37. Which word shares the same root family as “beneficial”?

A. reprobate

B. benign

C. credibility

D. fidelity

38. Which word shares the same root family as “malfunction”?

A. fidelity

B. benign

C. probable

D. malignant

Mastery Check 39-40

Choose the best answer. Answers are kept separate.

39. Which word shares the same root family as “credibility”?

A. veracity

B. malfunction

C. credulous

D. benign

40. Which word shares the same root family as “probable”?

A. reprobate

B. credibility

C. veracity

D. benign

Mastery Check 41-42

Choose the best answer. Answers are kept separate.

41. Which word shares the same root family as “verify”?

A. credibility

B. probable

C. malignant

D. veracity

42. Which word shares the same root family as “fidelity”?

A. benign

B. malfunction

C. verify

D. confide

Mastery Check 43-44

Choose the best answer. Answers are kept separate.

43. If an unfamiliar academic word contains the root bene, which core meaning should you test first?

A. the opposite of that idea

B. good, well

C. a specific number

D. a geographic location

44. If an unfamiliar academic word contains the root mal, which core meaning should you test first?

A. a geographic location

B. a specific number

C. bad, evil

D. the opposite of that idea

Mastery Check 45-46

Choose the best answer. Answers are kept separate.

45. If an unfamiliar academic word contains the root cred, which core meaning should you test first?

A. the opposite of that idea

B. a geographic location

C. believe, trust

D. a specific number

46. If an unfamiliar academic word contains the root prob, which core meaning should you test first?

A. the opposite of that idea

B. test, prove

C. a specific number

D. a geographic location

Mastery Check 47-48

Choose the best answer. Answers are kept separate.

47. If an unfamiliar academic word contains the root ver, which core meaning should you test first?

A. true

B. the opposite of that idea

C. a specific number

D. a geographic location

48. If an unfamiliar academic word contains the root fid, which core meaning should you test first?

A. the opposite of that idea

B. a specific number

C. faith, trust

D. a geographic location

Mastery Check 49-50

Choose the best answer. Answers are kept separate.

49. When using a root to infer an unfamiliar word, what should you do after recalling the root meaning?

A. Check prefixes, suffixes, and context

B. Assume the root gives the complete definition

C. Ignore the sentence

D. Choose the longest definition

50. Which statement about word roots is most accurate?

A. A root usually provides a broad meaning clue

B. Every word with the same root has exactly the same definition

C. Roots make context unnecessary

D. A root can never change meaning

Open Response 1-2

Answer in complete sentences. Multiple strong answers are possible.

1. Choose one root from this lesson and explain how its meaning appears in both words in that root family.

2. Write an original sentence using one vocabulary word. Include enough context clues for a reader to infer the word's meaning.

Open Response 3-4

Answer in complete sentences. Multiple strong answers are possible.

3. Compare two vocabulary words from different root families. Explain one important difference in meaning or usage.

4. Describe a safe method for using roots to predict the meaning of a word you have never seen before.

Open Response 5-5

Answer in complete sentences. Multiple strong answers are possible.

5. Which root from Lesson Character & Judgment would be most useful to remember? Defend your choice with two vocabulary examples.

Answer Key

Multiple-choice questions 1-50

1. C

2. B

3. C

4. D

5. C

6. D

7. A

8. C

9. C

10. D

11. D

12. B

13. C

14. B

15. A

16. C

17. D

18. D

19. A

20. C

21. D

22. A

23. A

24. D

25. B

26. C

27. C

28. C

29. A

30. D

31. C

32. B

33. B

34. A

35. D

36. D

37. B

38. D

39. C

40. A

41. D

42. D

43. B

44. C

45. C

46. B

47. A

48. C

49. A

50. A

Explanations 1-2

1. Answer: C. beneficial

beneficial means “producing a good or helpful result.” The root bene contributes the core idea “good, well.”

2. Answer: B. benign

benign means “gentle, harmless, or not dangerous.” The root bene contributes the core idea “good, well.”

Explanations 3-4

3. Answer: C. malfunction

malfunction means “a failure to work correctly.” The root mal contributes the core idea “bad, evil.”

4. Answer: D. malignant

malignant means “harmful, dangerous, or likely to become worse.” The root mal contributes the core idea “bad, evil.”

Explanations 5-6

5. Answer: C. credibility

credibility means “the quality of being believable or trustworthy.” The root cred contributes the core idea “believe, trust.”

6. Answer: D. credulous

credulous means “too ready to believe things.” The root cred contributes the core idea “believe, trust.”

Explanations 7-8

7. Answer: A. probable

probable means “likely to happen or be true.” The root prob contributes the core idea “test, prove.”

8. Answer: C. reprobate

reprobate means “a person viewed as morally unprincipled.” The root prob contributes the core idea “test, prove.”

Explanations 9-10

9. Answer: C. verify

verify means “to confirm that something is true or accurate.” The root ver contributes the core idea “true.”

10. Answer: D. veracity

veracity means “truthfulness or accuracy.” The root ver contributes the core idea “true.”

Explanations 11-12

11. Answer: D. fidelity

fidelity means “faithfulness or accuracy.” The root fid contributes the core idea “faith, trust.”

12. Answer: B. confide

confide means “to share a private matter with someone trusted.” The root fid contributes the core idea “faith, trust.”

Explanations 13-14

13. Answer: C. beneficial

beneficial belongs to the bene root family, associated with “good, well.”

14. Answer: B. benign

benign belongs to the bene root family, associated with “good, well.”

Explanations 15-16

15. Answer: A. malfunction

malfunction belongs to the mal root family, associated with “bad, evil.”

16. Answer: C. malignant

malignant belongs to the mal root family, associated with “bad, evil.”

Explanations 17-18

17. Answer: D. credibility

credibility belongs to the cred root family, associated with “believe, trust.”

18. Answer: D. credulous

credulous belongs to the cred root family, associated with “believe, trust.”

Explanations 19-20

19. Answer: A. probable

probable belongs to the prob root family, associated with “test, prove.”

20. Answer: C. reprobate

reprobate belongs to the prob root family, associated with “test, prove.”

Explanations 21-22

21. Answer: D. verify

verify belongs to the ver root family, associated with “true.”

22. Answer: A. veracity

veracity belongs to the ver root family, associated with “true.”

Explanations 23-24

23. Answer: A. fidelity

fidelity belongs to the fid root family, associated with “faith, trust.”

24. Answer: D. confide

confide belongs to the fid root family, associated with “faith, trust.”

Explanations 25-26

25. Answer: B. beneficial

beneficial is the most precise choice because its definition is “producing a good or helpful result.”

26. Answer: C. benign

benign is the most precise choice because its definition is “gentle, harmless, or not dangerous.”

Explanations 27-28

27. Answer: C. malfunction

malfunction is the most precise choice because its definition is “a failure to work correctly.”

28. Answer: C. malignant

malignant is the most precise choice because its definition is “harmful, dangerous, or likely to become worse.”

Explanations 29-30

29. Answer: A. credibility

credibility is the most precise choice because its definition is “the quality of being believable or trustworthy.”

30. Answer: D. credulous

credulous is the most precise choice because its definition is “too ready to believe things.”

Explanations 31-32

31. Answer: C. probable

probable is the most precise choice because its definition is “likely to happen or be true.”

32. Answer: B. reprobate

reprobate is the most precise choice because its definition is “a person viewed as morally unprincipled.”

Explanations 33-34

33. Answer: B. verify

verify is the most precise choice because its definition is “to confirm that something is true or accurate.”

34. Answer: A. veracity

veracity is the most precise choice because its definition is “truthfulness or accuracy.”

Explanations 35-36

35. Answer: D. fidelity

fidelity is the most precise choice because its definition is “faithfulness or accuracy.”

36. Answer: D. confide

confide is the most precise choice because its definition is “to share a private matter with someone trusted.”

Explanations 37-38

37. Answer: B. benign

beneficial and benign both use the root bene, meaning “good, well.”

38. Answer: D. malignant

malfunction and malignant both use the root mal, meaning “bad, evil.”

Explanations 39-40

39. Answer: C. credulous

credibility and credulous both use the root cred, meaning “believe, trust.”

40. Answer: A. reprobate

probable and reprobate both use the root prob, meaning “test, prove.”

Explanations 41-42

41. Answer: D. veracity

verify and veracity both use the root ver, meaning “true.”

42. Answer: D. confide

fidelity and confide both use the root fid, meaning “faith, trust.”

Explanations 43-44

43. Answer: B. good, well

Begin with the broad root meaning “good, well,” then use affixes and sentence context to refine your prediction.

44. Answer: C. bad, evil

Begin with the broad root meaning “bad, evil,” then use affixes and sentence context to refine your prediction.

Explanations 45-46

45. Answer: C. believe, trust

Begin with the broad root meaning “believe, trust,” then use affixes and sentence context to refine your prediction.

46. Answer: B. test, prove

Begin with the broad root meaning “test, prove,” then use affixes and sentence context to refine your prediction.

Explanations 47-48

47. Answer: A. true

Begin with the broad root meaning “true,” then use affixes and sentence context to refine your prediction.

48. Answer: C. faith, trust

Begin with the broad root meaning “faith, trust,” then use affixes and sentence context to refine your prediction.

Explanations 49-50

49. Answer: A. Check prefixes, suffixes, and context

A root is a clue, not a complete definition. Affixes and context help refine the meaning.

50. Answer: A. A root usually provides a broad meaning clue

Roots usually supply a broad semantic clue; the complete meaning depends on word formation and context.

Open Response - Sample Answers 1-2

Models for comparison; other well-supported answers may also be correct.

1. Choose one root from this lesson and explain how its meaning appears in both words in that root family.

Sample response: The root bene means “good, well.” A strong response explains how that idea appears in both beneficial and benign, while noting that the full definitions are not identical.

2. Write an original sentence using one vocabulary word. Include enough context clues for a reader to infer the word's meaning.

Sample response: A student could use malfunction in a complete sentence and include details that clearly suggest “a failure to work correctly.”

Open Response - Sample Answers 3-4

Models for comparison; other well-supported answers may also be correct.

3. Compare two vocabulary words from different root families. Explain one important difference in meaning or usage.

Sample response: Compare credibility with probable. Define each word, identify the roots, and give a short example showing why the words are not interchangeable.

4. Describe a safe method for using roots to predict the meaning of a word you have never seen before.

Sample response: Identify the root, recall its broad meaning, examine any prefix and suffix, and test the prediction against the sentence. Then confirm the meaning with a reliable dictionary or source.

Open Response - Sample Answers 5-5

Models for comparison; other well-supported answers may also be correct.

5. Which root from Lesson Character & Judgment would be most useful to remember? Defend your choice with two vocabulary examples.

Sample response: A student may choose ver because it means “true.” The response should connect that idea to verify and veracity and explain how the root could help decode future words.