Kitchen Chemistry Experiments Test Worksheet

Science experiments lesson 20: Part 2 test: kitchen chemistry and life · Set 599 · 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.True or false: wet seeds in the dark does not sprout. (a) True (b) False
2. 2.🧺 Do we need a comb for the yeast balloon? (a) needed (b) not needed
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) yeast (c) a clear plastic bag (d) sunlight
4. 4.⚖️ Fair test — which liquids turn turmeric paper reddish-brown? Which of these is kept the same? (a) the colour we see (b) the number of drops (c) the liquid we test
5. 5.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: how hard we shake is the one thing we change. (a) True (b) False
6. 6.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a spoon (b) a piece of string (c) turmeric powder (d) salt
7. 7.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: time to make butter is what we measure. (a) False (b) True
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the same funnel (c) the same muddy water (d) how clear the water is
9. 9.🧺 Three of these are needed for the secret lemon message. Which one is NOT needed? (a) a cotton bud (b) white paper (c) lemon juice (d) a mirror
10. 10.True or false: time is something yeast does not need. (a) False (b) True
11. 11.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) vinegar (c) a mirror (d) a battery cell
12. 12.🍞 Does yeast need sunlight to make gas? (a) yeast does not need it (b) yeast needs it
13. 13.🧺 Which of these is not needed for making butter? (a) a timer (b) a bowl (c) a balloon (d) a jar with a tight lid
14. 14.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a bowl (b) a battery cell (c) a jar with a tight lid (d) cold water to rinse
15. 15.True or false: salt is needed for a seed to sprout. (a) False (b) True
16. 16.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) muddier (d) salty
18. 18.🔍 Which is the odd one out? (a) air (b) water (c) warmth (d) salt
19. 19.🫧 Which of these is an acid? (a) detergent water (b) lemon juice (c) baking soda water (d) salt water
20. 20.True or false: make seeds is a job of the flower. (a) False (b) True
21. 21.🧂 Which of these does not dissolve in water? (a) chalk powder (b) table salt (c) food colour (d) baking soda
22. 22.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a battery cell (b) warm water (c) salt (d) a piece of string
23. 23.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is not needed for growing salt crystals? (a) a shallow dish (b) a spoon (c) a balloon (d) salt
25. 25.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
26. 26.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
27. 27.True or false: water is needed for a seed to sprout. (a) True (b) False
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
29. 29.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the amount of cream is the one thing we change. (a) False (b) True
30. 30.🧺 Three of these are needed for sprouting seeds. Which one is NOT needed? (a) moong seeds (b) a small bowl (c) a balloon (d) water
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
32. 32.🧈 Before the butter appears, what does the cream turn into? (a) clear water (b) powder (c) ice (d) thick whipped cream
33. 33.🛟 Which rule keeps the turmeric test safe? (a) sniff each bottle hard (b) mix bathroom cleaners (c) sip each liquid (d) use only kitchen items
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a funnel or spoon (d) a balloon
35. 35.True or false: warmth is needed for a seed to sprout. (a) False (b) True
36. 36.True or false: soap solution is not needed for the turmeric test. (a) False (b) True
37. 37.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the same jar”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the amount of cream”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
40. 40.🫗 Which of these is done by evaporating? (a) small stones from dal (b) mud from water (c) bad grains from rice (d) sugar from sugar water

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