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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 552 · 40 questions
TalentJR

Code tip (Pages for everyone): Headings go down one level at a time: h1 → h2 → h3 (they may jump back up). Alt text on images, clear link text, labels on form boxes, big enough text. Strong contrast (black on white, yellow on black) is easy to read; light grey on white is not.

NameDateTime takenScore ___ / 40
  1. 1.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
  2. 2.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  3. 3.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
  4. 4.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  5. 5.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h4>
  7. 7.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) yellow on black (d) black on white
  8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h6> (d) <h2>
  9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
  10. 10.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  11. 11.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) black on white
  12. 12.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) pink on red (d) light grey on white
  13. 13.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
  14. 14.True or false: “label every form box” helps everyone use the page. (a) False (b) True
  15. 15.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
  16. 16.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
  17. 17.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
  18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h6>
  20. 20.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h6>
  21. 21.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
  22. 22.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  23. 23.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2>
    (a) Yes (b) No
  25. 25.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
  26. 26.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) red on green (d) blue on purple
  27. 27.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) white on black (d) blue on purple
  28. 28.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
  29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  30. 30.Which colour pair is hard to read? (a) pink on red (b) dark grey on white (c) black on white (d) white on dark blue
  31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  32. 32.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
  33. 33.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) blue on purple (d) white on black
  34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3>
    (a) Yes (b) No
  35. 35.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  36. 36.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  37. 37.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
  38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  39. 39.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4>
    (a) No (b) Yes

Answer key

  1. people who are blind
  2. hard to read
  3. easy to read
  4. easy to read
  5. hard to read
  6. <h4>
  7. red on green
  8. <h2>
  9. makes it harder
  10. True
  11. black on white
  12. white on dark blue
  13. helps everyone
  14. True
  15. False
  16. Read the fruit facts
  17. text stands out clearly
  18. Yes
  19. <h5>
  20. <h6>
  21. True
  22. easy to read
  23. easy to read
  24. No
  25. False
  26. dark grey on white
  27. white on black
  28. False
  29. helps everyone
  30. pink on red
  31. helps everyone
  32. hard to read
  33. blue on purple
  34. No
  35. hard to read
  36. hard to read
  37. True
  38. makes it harder
  39. True
  40. No

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