Kitchen Chemistry Experiments Test Worksheet

Science experiments lesson 20: Part 2 test: kitchen chemistry and life · Set 652 · 40 questions

What you do (Find the experiment, use the idea): 1. Read the question and find its experiment. 2. Use that experiment’s idea — acid and base, indicator colours, chemical change, what seeds and yeast need, transpiration, crystals or filtering. 3. For a fair-test question, find what is changed, kept the same and measured. 4. For a safety question, choose what keeps everyone safe.

1. 1.🛟 Which rule keeps the turmeric test safe? (a) sip each liquid (b) use only kitchen items (c) mix bathroom cleaners (d) sniff each bottle hard
2. 2.🧂 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
3. 3.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.🌱 Will these sprout: boiled seeds? (a) does not sprout (b) sprouts
5. 5.🧺 Do we need a battery cell for sprouting seeds? (a) needed (b) not needed
6. 6.🧺 Do we need lemon juice for the secret lemon message? (a) needed (b) not needed
7. 7.True or false: a mirror is not needed for growing salt crystals. (a) False (b) True
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a potted plant (d) a magnet
10. 10.🟡 Which of these turns turmeric paper reddish-brown? (a) sugar water (b) lemon juice (c) soap solution (d) vinegar
11. 11.🌱 Will these sprout: seeds on wet cotton? (a) does not sprout (b) sprouts
12. 12.🧺 Three of these are needed for the yeast balloon. Which one is NOT needed? (a) warm water (b) a comb (c) a small bottle (d) dry yeast
13. 13.⚖️ Fair test — do seeds need water to sprout? Which of these is the one thing we change? (a) the kind of seeds (b) the same place (c) wet or dry cotton (d) how many seeds sprout
14. 14.True or false: a battery cell is needed for the turmeric test. (a) False (b) True
15. 15.True or false: seeds in the freezer does not sprout. (a) False (b) True
16. 16.🧺 Three of these are needed for the secret lemon message. Which one is NOT needed? (a) turmeric powder (b) an adult with an iron (c) white paper (d) a small bowl
17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
18. 18.🔮 Predict: you cover the dish so no water can escape. What happens? (a) few or no crystals (b) it turns sweet (c) it fizzes (d) crystals grow faster
19. 19.🌱 Which of these does not sprout? (a) wet seeds by a window (b) seeds on wet cotton (c) wet seeds in the dark (d) boiled seeds
20. 20.True or false: yeast is needed for sprouting seeds. (a) True (b) False
21. 21.🧺 Do we need a balloon for making butter? (a) not needed (b) needed
22. 22.🛟 Some seeds from shops are coated with chemicals. What is the safe rule? (a) never put seeds in mouth (b) feed them to pets (c) eat a few to check (d) throw them at friends
23. 23.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? What do we do with “the liquid we test”? (a) we measure it (b) we keep it the same (c) we change it
24. 24.True or false: a balloon is needed for making butter. (a) True (b) False
25. 25.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.🧺 Do we need a balloon for the turmeric test? (a) needed (b) not needed
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the amount poured (c) how clear the water is (d) the same muddy water
28. 28.🛟 Who should pour the warm water for the crystal experiment? (a) nobody needs to (b) a grown-up (c) the youngest child (d) a friend who is running
29. 29.True or false: turmeric powder is not needed for the turmeric test. (a) True (b) False
30. 30.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) sunlight (d) a mirror
32. 32.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
33. 33.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Three of these are needed for the turmeric test. Which one is NOT needed? (a) turmeric powder (b) lemon juice (c) soap solution (d) a magnet
35. 35.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
36. 36.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) hold the plant in soil (d) give out water vapour
37. 37.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
39. 39.True or false: turmeric powder is needed for the secret lemon message. (a) False (b) True
40. 40.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed

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