Turmeric Indicator Experiment Worksheet

Science experiments lesson 12: Turmeric indicator: acid or base? · Set 270 · 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 is the odd one out? (a) soap solution (b) lemon juice (c) detergent water (d) baking soda water
2. 2.🛟 Which rule keeps the turmeric test safe? (a) use only kitchen items (b) mix bathroom cleaners (c) sniff each bottle hard (d) sip each liquid
3. 3.⚖️ 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
4. 4.🛟 Turmeric stains clothes. What should you wear? (a) your best clothes (b) your school uniform (c) an old shirt or apron (d) a white party dress
5. 5.🔮 Predict: turmeric paper is dipped in salt water. What happens? (a) it turns black (b) it stays yellow (c) it turns blue (d) it turns red
6. 6.🔮 Predict: a yellow curry stain on a shirt is washed with soap. What colour may it turn? (a) reddish (b) green (c) bright blue (d) white at once
7. 7.⚖️ 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
8. 8.🧺 Which of these is needed for the turmeric test? (a) a battery cell (b) a mirror (c) turmeric powder (d) a magnet
9. 9.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is what we measure? (a) the liquid we test (b) the turmeric paper (c) the colour we see (d) the number of drops
10. 10.🟡 Which of these turns turmeric reddish-brown? (a) salt water (b) soap solution (c) sugar water (d) lemon juice
11. 11.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is the one thing we change? (a) the liquid we test (b) the colour we see (c) the turmeric paper (d) the number of drops
12. 12.True or false: soap solution turns turmeric reddish-brown. (a) True (b) False
13. 13.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) water (b) white paper strips (c) turmeric powder (d) a battery cell
14. 14.🟡 Which of these keeps turmeric yellow? (a) salt water (b) soap solution (c) detergent water (d) baking soda water
15. 15.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the liquid we test is the one thing we change. (a) False (b) True
16. 16.🧺 Do we need a balloon for the turmeric test? (a) needed (b) not needed
17. 17.🧺 Do we need white paper strips for the turmeric test? (a) needed (b) not needed
18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.🧺 Which of these is not needed for the turmeric test? (a) a magnet (b) lemon juice (c) soap solution (d) water
20. 20.True or false: baking soda water is an acid. (a) True (b) False
21. 21.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) water (b) soap solution (c) a balloon (d) a dropper or spoon
22. 22.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) salt water (d) soap solution
23. 23.⚖️ 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
24. 24.🧺 Do we need yeast for the turmeric test? (a) needed (b) not needed
25. 25.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the number of drops is kept the same. (a) True (b) False
26. 26.⚖️ 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
27. 27.🧺 Do we need a comb for the turmeric test? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the turmeric test? (a) turmeric powder (b) a dropper or spoon (c) lemon juice (d) a battery cell
29. 29.🧺 Which of these is not needed for the turmeric test? (a) turmeric powder (b) a comb (c) water (d) a dropper or spoon
30. 30.🟡 Turmeric paper meets soap solution. What happens? (a) stays yellow (b) turns reddish-brown
31. 31.⚖️ 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
32. 32.🧺 Do we need a magnet for the turmeric test? (a) needed (b) not needed
33. 33.🔮 Predict: turmeric paper is dipped in baking soda water. What colour does it turn? (a) it turns green (b) reddish-brown (c) it stays yellow (d) it turns blue
34. 34.🟡 Turmeric paper meets tamarind water. What happens? (a) turns reddish-brown (b) stays yellow
35. 35.🟡 Which of these turns turmeric reddish-brown? (a) salt water (b) sugar water (c) tamarind water (d) baking soda water
36. 36.True or false: a comb is needed for the turmeric test. (a) False (b) True
37. 37.True or false: soap solution keeps turmeric yellow. (a) False (b) True
38. 38.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? True or false: the liquid we test is kept the same. (a) True (b) False
39. 39.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) white paper strips (b) a mirror (c) a dropper or spoon (d) lemon juice
40. 40.True or false: water is needed for the turmeric test. (a) True (b) False

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