Debate Worksheet: Strong and Weak Evidence

Debate lesson 3: Strong and weak evidence · Set 847 · 40 questions

Debater's tip (Relevant, specific, reliable): Relevant: does it talk about the topic of the motion? Specific: does it say exactly who, what, where or how many? “30 of 40 students” beats “lots of students”. Reliable: can we trust where it came from? Records, textbooks and official bodies beat rumours and unsigned posts.

1. 1.🔎 Strong or weak evidence: “Everybody knows it.”? (a) strong evidence (b) weak evidence
2. 2.True or false: “Lots of people think so.” is strong evidence. (a) True (b) False
3. 3.True or false: measured results from our class experiment is weak evidence. (a) True (b) False
4. 4.True or false: “It is good for many reasons.” — this is weak because it is not specific (no who, what or how many). (a) False (b) True
5. 5.🔎 Strong or weak evidence: measured results from our class experiment? (a) strong evidence (b) weak evidence
6. 6.True or false: “My neighbour heard it from someone.” — this is weak because it is not relevant to the topic. (a) True (b) False
7. 7.🔎 Why is this weak evidence? “I saw it on a random poster once.” (a) not relevant (b) not reliable (c) not specific
8. 8.🔎 A fact about cricket in a debate on school uniforms is… (a) not relevant (b) very strong (c) very specific
9. 9.🔎 Strong or weak evidence: figures from the city water board? (a) weak evidence (b) strong evidence
10. 10.🔎 Why is this weak evidence? “My neighbour heard it from someone.” (a) not reliable (b) not specific (c) not relevant
11. 11.🔎 Strong or weak evidence: “Lots of people think so.”? (a) strong evidence (b) weak evidence
12. 12.🔎 Strong or weak evidence: the school nurse’s record of sick days? (a) strong evidence (b) weak evidence
13. 13.🔎 Before using a number in a debate, you should… (a) make it bigger (b) round it to 100 (c) hide the source (d) check where it came from
14. 14.True or false: “A lot of water gets wasted somewhere.” — this is weak because it is not specific (no who, what or how many). (a) False (b) True
15. 15.🔎 Strong or weak evidence: one friend’s guess? (a) strong evidence (b) weak evidence
16. 16.🔎 Why is this weak evidence? “Some people say it helps somehow.” (a) not specific (b) not reliable (c) not relevant
17. 17.🔎 Strong or weak evidence: the attendance register for the whole year? (a) strong evidence (b) weak evidence
18. 18.True or false: In a debate on reading: “Trains run on tracks.” — this is weak because it is not relevant to the topic. (a) False (b) True
19. 19.🔎 Strong or weak evidence: “My cousin said so.”? (a) weak evidence (b) strong evidence
20. 20.True or false: “Everybody knows it.” is weak evidence. (a) False (b) True
21. 21.True or false: In a debate on sports periods: “Mangoes grow in summer.” — this is weak because its source is not reliable. (a) True (b) False
22. 22.True or false: the school library’s record of books borrowed is weak evidence. (a) True (b) False
23. 23.🔎 Why is this weak evidence? “A lot of water gets wasted somewhere.” (a) not reliable (b) not specific (c) not relevant
24. 24.🔎 What makes evidence strong? (a) loud and long (b) relevant and reliable (c) funny and short (d) old and vague
25. 25.True or false: “Lots of students like it.” — this is weak because it is not specific (no who, what or how many). (a) True (b) False
26. 26.🔎 Why is this weak evidence? In a debate on homework: “Mount Everest is very tall.” (a) not specific (b) not relevant (c) not reliable
27. 27.🔎 Why is this weak evidence? “It is good for many reasons.” (a) not specific (b) not relevant (c) not reliable
28. 28.🔎 Why is this weak evidence? In a debate on sports periods: “Mangoes grow in summer.” (a) not reliable (b) not relevant (c) not specific
29. 29.True or false: In a debate on homework: “Mount Everest is very tall.” — this is weak because its source is not reliable. (a) True (b) False
30. 30.True or false: “A website with no name says so.” — this is weak because its source is not reliable. (a) True (b) False
31. 31.True or false: the school nurse’s record of sick days is weak evidence. (a) True (b) False
32. 32.🔎 Which source is most reliable in a debate on saving water? (a) a guess (b) a chat forward (c) an unsigned poster (d) the city water board
33. 33.🔎 Why is this weak evidence? “Lots of students like it.” (a) not reliable (b) not specific (c) not relevant
34. 34.True or false: “Lots of students like it.” — this is weak because its source is not reliable. (a) False (b) True
35. 35.True or false: one friend’s guess is strong evidence. (a) False (b) True
36. 36.True or false: a fact from our science textbook is strong evidence. (a) True (b) False
37. 37.True or false: the attendance register for the whole year is weak evidence. (a) True (b) False
38. 38.True or false: “My neighbour heard it from someone.” — this is weak because its source is not reliable. (a) False (b) True
39. 39.🔎 Strong or weak evidence: a fact from our science textbook? (a) strong evidence (b) weak evidence
40. 40.🔎 Strong or weak evidence: a story you are not sure about? (a) strong evidence (b) weak evidence

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