Turmeric Indicator Experiment Worksheet

Science experiments lesson 12: Turmeric indicator: acid or base? · Set 122 · 40 questions

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.

1. 1.True or false: white paper strips is needed for the turmeric test. (a) False (b) True
2. 2.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the colour we see is kept the same. (a) True (b) False
3. 3.🧺 Do we need a battery cell 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) turmeric powder (b) lemon juice (c) water (d) a balloon
5. 5.🧺 Which of these is not needed for the turmeric test? (a) water (b) turmeric powder (c) white paper strips (d) a comb
6. 6.🟡 Which of these keeps turmeric yellow? (a) baking soda water (b) detergent water (c) lemon juice (d) soap solution
7. 7.🛟 Which rule keeps the turmeric test safe? (a) use only kitchen items (b) sniff each bottle hard (c) mix bathroom cleaners (d) sip each liquid
8. 8.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) turmeric powder (b) water (c) a mirror (d) lemon juice
9. 9.True or false: sugar water is an acid. (a) True (b) False
10. 10.True or false: lemon juice is an acid. (a) False (b) True
11. 11.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the turmeric paper”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) orange juice (d) plain water
13. 13.🟡 Which of these keeps turmeric yellow? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
14. 14.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is what we measure? (a) the colour we see (b) the liquid we test (c) the number of drops (d) the turmeric paper
15. 15.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
16. 16.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is the one thing we change? (a) the turmeric paper (b) the light we look in (c) the colour we see (d) the liquid we test
17. 17.🔮 Predict: turmeric paper is dipped in salt water. What happens? (a) it turns red (b) it stays yellow (c) it turns black (d) it turns blue
18. 18.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the light we look in is kept the same. (a) False (b) True
19. 19.🍋 A drop of lemon juice falls on turmeric paper. What happens? (a) it turns black (b) it stays yellow (c) it turns red (d) it turns blue
20. 20.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the light we look in”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is what we measure. (a) False (b) True
22. 22.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) a dropper or spoon (b) a comb (c) water (d) lemon juice
23. 23.🟡 Turmeric paper meets soap solution. What happens? (a) turns reddish-brown (b) stays yellow
24. 24.True or false: sugar water keeps turmeric yellow. (a) False (b) True
25. 25.🔮 Predict: turmeric paper is dipped in baking soda water. What colour does it turn? (a) reddish-brown (b) it turns green (c) it stays yellow (d) it turns blue
26. 26.🧺 Which of these is not needed for the turmeric test? (a) a dropper or spoon (b) soap solution (c) a balloon (d) white paper strips
27. 27.🟡 Which of these turns turmeric paper reddish-brown? (a) lemon juice (b) sugar water (c) vinegar (d) soap solution
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.🧺 Do we need a comb for the turmeric test? (a) not needed (b) needed
30. 30.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the light we look in is the one thing we change. (a) False (b) True
31. 31.🧺 Do we need a mirror for the turmeric test? (a) needed (b) not needed
32. 32.🟡 Which of these keeps turmeric yellow? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
33. 33.🟡 Turmeric paper meets vinegar. What happens? (a) turns reddish-brown (b) stays yellow
34. 34.🧺 Which of these is needed for the turmeric test? (a) water (b) a magnet (c) yeast (d) a battery cell
35. 35.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the liquid we test is kept the same. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) soap solution (b) tamarind water (c) vinegar (d) plain water
37. 37.🫧 Which of these is a base? (a) vinegar (b) tamarind water (c) soap solution (d) sugar water
38. 38.🧺 Do we need a balloon for the turmeric test? (a) needed (b) not needed
39. 39.🧺 Do we need turmeric powder for the turmeric test? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) vinegar (d) soap solution

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