Turmeric Indicator Experiment Worksheet

Science experiments lesson 12: Turmeric indicator: acid or base? · Set 972 · 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) sip each liquid (b) sniff each bottle hard (c) use only kitchen items (d) mix bathroom cleaners
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
3. 3.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is what we measure. (a) False (b) True
4. 4.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
5. 5.🍋 A drop of lemon juice falls on turmeric paper. What happens? (a) it turns black (b) it turns red (c) it turns blue (d) it stays yellow
6. 6.🛟 Turmeric stains clothes. What should you wear? (a) your best clothes (b) a white party dress (c) your school uniform (d) an old shirt or apron
7. 7.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the turmeric paper”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.True or false: sugar water keeps turmeric yellow. (a) False (b) True
9. 9.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) a dropper or spoon (b) yeast (c) white paper strips (d) water
10. 10.True or false: detergent water keeps turmeric yellow. (a) False (b) True
11. 11.🔮 Predict: turmeric paper is dipped in salt water. What happens? (a) it turns red (b) it turns blue (c) it turns black (d) it stays yellow
12. 12.True or false: salt water is neutral. (a) False (b) True
13. 13.🫧 Which of these is an acid? (a) lemon juice (b) detergent water (c) baking soda water (d) soap solution
14. 14.🟡 Turmeric paper meets salt water. What happens? (a) turns reddish-brown (b) stays yellow
15. 15.True or false: tamarind water turns turmeric reddish-brown. (a) False (b) True
16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
17. 17.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) baking soda water (d) soap solution
18. 18.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) detergent water (d) baking soda water
19. 19.🧺 Which of these is not needed for the turmeric test? (a) a magnet (b) a dropper or spoon (c) lemon juice (d) white paper strips
20. 20.🧺 Which of these is needed for the turmeric test? (a) a magnet (b) a mirror (c) a comb (d) white paper strips
21. 21.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) soap solution (b) lemon juice (c) a magnet (d) turmeric powder
22. 22.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is kept the same? (a) the liquid we test (b) the colour we see (c) the light we look in
23. 23.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is kept the same? (a) the liquid we test (b) the colour we see (c) the turmeric paper
24. 24.⚖️ 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 light we look in (c) the liquid we test (d) the colour we see
25. 25.🧺 Do we need a comb for the turmeric test? (a) not needed (b) needed
26. 26.🟡 Turmeric paper meets detergent water. What happens? (a) turns reddish-brown (b) stays yellow
27. 27.🟡 Which of these keeps turmeric yellow? (a) baking soda water (b) detergent water (c) salt water (d) soap solution
28. 28.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) lemon juice
29. 29.🟡 Which of these turns turmeric reddish-brown? (a) soap solution (b) lemon juice (c) plain water (d) tamarind water
30. 30.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the turmeric paper is kept the same. (a) False (b) True
31. 31.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the colour we see is what we measure. (a) False (b) True
32. 32.True or false: orange juice is a base. (a) True (b) False
33. 33.🧺 Which of these is needed for the turmeric test? (a) a magnet (b) a mirror (c) a balloon (d) water
34. 34.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
35. 35.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) a comb (b) a dropper or spoon (c) turmeric powder (d) white paper strips
36. 36.🔮 Predict: turmeric paper is dipped in baking soda water. What colour does it turn? (a) it turns green (b) it stays yellow (c) reddish-brown (d) it turns blue
37. 37.True or false: lemon juice is a base. (a) True (b) False
38. 38.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the liquid we test”? (a) we keep it the same (b) we measure it (c) we change it
39. 39.True or false: detergent water turns turmeric reddish-brown. (a) False (b) True
40. 40.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the liquid we test is kept the same. (a) False (b) True

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