Turmeric Indicator Experiment Worksheet

Science experiments lesson 12: Turmeric indicator: acid or base? · Set 315 · 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.🛟 Which rule keeps the turmeric test safe? (a) mix bathroom cleaners (b) sip each liquid (c) sniff each bottle hard (d) use only kitchen items
2. 2.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is kept the same. (a) False (b) True
3. 3.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the number of drops”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.True or false: soap solution is not needed for the turmeric test. (a) True (b) False
5. 5.🟡 Turmeric paper meets baking soda water. What happens? (a) turns reddish-brown (b) stays yellow
6. 6.🧺 Do we need a battery cell for the turmeric test? (a) needed (b) not needed
7. 7.🟡 Which of these turns turmeric paper reddish-brown? (a) soap solution (b) lemon juice (c) sugar water (d) vinegar
8. 8.📘 What do we call something that changes colour to show an acid or a base? (a) an indicator (b) a pulley (c) a prism (d) a magnet
9. 9.🧺 Which of these is needed for the turmeric test? (a) a battery cell (b) a mirror (c) yeast (d) a dropper or spoon
10. 10.🟡 Which of these turns turmeric reddish-brown? (a) soap solution (b) plain water (c) tamarind water (d) vinegar
11. 11.🧺 Do we need water for the turmeric test? (a) needed (b) not needed
12. 12.🟡 Turmeric paper meets salt water. What happens? (a) turns reddish-brown (b) stays yellow
13. 13.🟡 Turmeric paper is dipped in soap solution. What colour does it turn? (a) reddish-brown (b) bright blue (c) it stays white (d) green
14. 14.True or false: salt water turns turmeric reddish-brown. (a) False (b) True
15. 15.True or false: detergent water is neutral. (a) True (b) False
16. 16.🧺 Do we need a comb for the turmeric test? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) a dropper or spoon (b) turmeric powder (c) yeast (d) soap solution
18. 18.🧺 Which of these is not needed for the turmeric test? (a) soap solution (b) a dropper or spoon (c) a balloon (d) turmeric powder
19. 19.🔮 Predict: turmeric paper is dipped in salt water. What happens? (a) it stays yellow (b) it turns red (c) it turns black (d) it turns blue
20. 20.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) plain water (d) soap solution
21. 21.🫧 Which of these is a base? (a) lemon juice (b) baking soda water (c) orange juice (d) tamarind water
22. 22.🟡 Turmeric paper meets soap solution. What happens? (a) stays yellow (b) turns reddish-brown
23. 23.🟡 Which of these keeps turmeric yellow? (a) baking soda water (b) soap solution (c) vinegar (d) detergent water
24. 24.🟡 Turmeric paper meets sugar water. What happens? (a) turns reddish-brown (b) stays yellow
25. 25.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the light we look in is the one thing we change. (a) True (b) False
26. 26.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the liquid we test is the one thing we change. (a) True (b) False
27. 27.🟡 Which of these turns turmeric reddish-brown? (a) tamarind water (b) plain water (c) vinegar (d) baking soda water
28. 28.🧺 Which of these is not needed for the turmeric test? (a) a dropper or spoon (b) a magnet (c) turmeric powder (d) soap solution
29. 29.🧺 Which of these is needed for the turmeric test? (a) a balloon (b) a battery cell (c) water (d) yeast
30. 30.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) lemon juice (d) detergent water
31. 31.🛟 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
32. 32.🍋 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
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
34. 34.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the light we look in”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.🧺 Do we need a mirror for the turmeric test? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) white paper strips (b) a dropper or spoon (c) turmeric powder (d) a magnet
37. 37.True or false: curd is neutral. (a) False (b) True
38. 38.True or false: a dropper or spoon is not needed for the turmeric test. (a) False (b) True
39. 39.🧺 Which of these is needed for the turmeric test? (a) a balloon (b) a battery cell (c) a magnet (d) white paper strips
40. 40.🫧 Which of these is an acid? (a) tamarind water (b) sugar water (c) baking soda water (d) detergent water

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