← Turmeric indicator: acid or base? lesson New set →

Turmeric Indicator Experiment Worksheet

Science experiments lesson 12: Turmeric indicator: acid or base? · Set 208 · 40 questions
TalentJR

What you do (Yellow or red?): 1. Mix turmeric powder with a little water into a paste and paint it on white paper strips; let them dry. 2. Put a drop of soap solution on one strip and a drop of lemon juice on another. 3. Write down the colour each drop makes. 4. Add lemon juice to the reddish spot and watch it change back.

NameDateTime takenScore ___ / 40
  1. 1.🧺 Which of these is not needed for the turmeric test? (a) lemon juice (b) soap solution (c) white paper strips (d) a balloon
  2. 2.True or false: water is needed for the turmeric test. (a) False (b) True
  3. 3.🧺 Do we need a comb for the turmeric test? (a) not needed (b) needed
  4. 4.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) white paper strips (b) a battery cell (c) soap solution (d) a dropper or spoon
  5. 5.🟡 Turmeric paper meets vinegar. What happens? (a) stays yellow (b) turns reddish-brown
  6. 6.True or false: water is not needed for the turmeric test. (a) True (b) False
  7. 7.🟡 Turmeric paper meets tamarind water. What happens? (a) stays yellow (b) turns reddish-brown
  8. 8.🟡 Turmeric paper meets soap solution. What happens? (a) turns reddish-brown (b) stays yellow
  9. 9.🟡 Turmeric paper meets detergent water. What happens? (a) turns reddish-brown (b) stays yellow
  10. 10.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) water (b) yeast (c) a dropper or spoon (d) turmeric powder
  11. 11.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) tamarind water
  12. 12.🧺 Which of these is not needed for the turmeric test? (a) soap solution (b) water (c) turmeric powder (d) a battery cell
  13. 13.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is what we measure? (a) the number of drops (b) the colour we see (c) the turmeric paper (d) the liquid we test
  14. 14.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the colour we see”? (a) we change it (b) we measure it (c) we keep it the same
  15. 15.🧺 Do we need yeast for the turmeric test? (a) not needed (b) needed
  16. 16.🧺 Do we need a balloon for the turmeric test? (a) needed (b) not needed
  17. 17.True or false: vinegar is a base. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) vinegar (d) detergent water
  19. 19.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  20. 20.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is what we measure. (a) False (b) True
  21. 21.🧺 Which of these is not needed for the turmeric test? (a) a comb (b) soap solution (c) white paper strips (d) turmeric powder
  22. 22.True or false: a magnet is not needed for the turmeric test. (a) True (b) False
  23. 23.True or false: a dropper or spoon is needed for the turmeric test. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) detergent water (d) plain water
  25. 25.🟡 Which of these keeps turmeric yellow? (a) soap solution (b) sugar water (c) detergent water (d) baking soda water
  26. 26.🔮 Predict: turmeric paper is dipped in baking soda water. What colour does it turn? (a) reddish-brown (b) it stays yellow (c) it turns green (d) it turns blue
  27. 27.🟡 Which of these turns turmeric reddish-brown? (a) tamarind water (b) vinegar (c) plain water (d) detergent water
  28. 28.🍋 A drop of lemon juice falls on turmeric paper. What happens? (a) it turns black (b) it turns blue (c) it stays yellow (d) it turns red
  29. 29.🛟 Turmeric stains clothes. What should you wear? (a) a white party dress (b) an old shirt or apron (c) your best clothes (d) your school uniform
  30. 30.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  31. 31.🧺 Do we need a magnet for the turmeric test? (a) not needed (b) needed
  32. 32.🧺 Which of these is needed for the turmeric test? (a) a comb (b) yeast (c) soap solution (d) a magnet
  33. 33.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is kept the same. (a) False (b) True
  34. 34.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the colour we see is the one thing we change. (a) True (b) False
  35. 35.🟡 Turmeric paper meets baking soda water. What happens? (a) turns reddish-brown (b) stays yellow
  36. 36.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) turmeric powder (b) white paper strips (c) soap solution (d) a magnet
  37. 37.🔮 Predict: a yellow curry stain on a shirt is washed with soap. What colour may it turn? (a) white at once (b) reddish (c) green (d) bright blue
  38. 38.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the liquid we test”? (a) we change it (b) we keep it the same (c) we measure it
  39. 39.True or false: salt water keeps turmeric yellow. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) lemon juice (d) soap solution

Answer key

  1. a balloon
  2. True
  3. not needed
  4. a battery cell
  5. stays yellow
  6. False
  7. stays yellow
  8. turns reddish-brown
  9. turns reddish-brown
  10. yeast
  11. tamarind water
  12. a battery cell
  13. the colour we see
  14. we measure it
  15. not needed
  16. not needed
  17. False
  18. vinegar
  19. neutral
  20. False
  21. a comb
  22. True
  23. True
  24. detergent water
  25. sugar water
  26. reddish-brown
  27. detergent water
  28. it stays yellow
  29. an old shirt or apron
  30. a base
  31. not needed
  32. soap solution
  33. True
  34. False
  35. turns reddish-brown
  36. a magnet
  37. reddish
  38. we change it
  39. True
  40. lemon juice

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids