Turmeric Indicator Experiment Worksheet

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

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