Butter Making Experiment Worksheet

Science experiments lesson 17: Butter from shaking cream · Set 5 · 40 questions

What you do (Shake till it clumps): 1. Fill the jar only one-third full of fresh cream. 2. Screw the lid on tightly. 3. Shake hard, taking turns, for 10–15 minutes. 4. When lumps form, pour off the buttermilk and rinse the butter in cold water.

1. 1.🧈 Before the butter appears, what does the cream turn into? (a) clear water (b) ice (c) thick whipped cream (d) powder
2. 2.🔮 Predict: you stop shaking after only one minute. What do you have? (a) still runny cream (b) ghee (c) cheese (d) butter lumps
3. 3.🧈 Can this change be undone: milk turning to curd? (a) can be undone (b) cannot be undone
4. 4.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the cream temperature is the one thing we change. (a) False (b) True
5. 5.True or false: cooking an egg is a change that cannot be undone. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 Which of these is not needed for making butter? (a) a jar with a tight lid (b) a timer (c) a balloon (d) cold water to rinse
8. 8.True or false: melting butter is a change that cannot be undone. (a) True (b) False
9. 9.True or false: rusting iron is a change that cannot be undone. (a) False (b) True
10. 10.🧈 Which of these is a change that can be undone? (a) rusting iron (b) melting ice (c) milk turning to curd (d) baking a cake
11. 11.🔍 Which is the odd one out? (a) melting ice (b) melting butter (c) folding paper (d) milk turning to curd
12. 12.🧈 Which of these is a change that can be undone? (a) cooking an egg (b) freezing water (c) browning lemon ink (d) rusting iron
13. 13.True or false: yeast is not needed for making butter. (a) True (b) False
14. 14.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is what we measure? (a) the cream temperature (b) time to make butter (c) how hard we shake (d) the same jar
15. 15.True or false: cold water to rinse is not needed for making butter. (a) False (b) True
16. 16.True or false: fresh cream is not needed for making butter. (a) False (b) True
17. 17.🔮 Predict: the jar is filled right to the top with cream. What happens? (a) it turns pink (b) it is much faster (c) it makes salt (d) it takes much longer
18. 18.True or false: freezing water is a change that cannot be undone. (a) False (b) True
19. 19.🧺 Do we need fresh cream for making butter? (a) not needed (b) needed
20. 20.🧈 What is the watery liquid left after the butter forms? (a) buttermilk (b) honey (c) vinegar (d) oil
21. 21.🧺 Do we need a jar with a tight lid for making butter? (a) not needed (b) needed
22. 22.🔍 What do you see after shaking cream in a jar for a long time? (a) sugar crystals (b) bubbles of gas (c) clear water only (d) lumps of butter
23. 23.🧈 Why does shaking cream make butter? (a) the lid is warm (b) fat bits stick together (c) shaking adds salt (d) the jar adds butter
24. 24.🧈 Can this change be undone: cooking an egg? (a) can be undone (b) cannot be undone
25. 25.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a bowl (b) a jar with a tight lid (c) turmeric powder (d) cold water to rinse
26. 26.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the same jar”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.True or false: milk turning to curd is a change that can be undone. (a) False (b) True
28. 28.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the same jar is kept the same. (a) True (b) False
29. 29.🧺 Do we need yeast for making butter? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a jar with a tight lid (b) a battery cell (c) a bowl (d) fresh cream
31. 31.🔍 Which is the odd one out? (a) cooking an egg (b) freezing water (c) milk turning to curd (d) baking a cake
32. 32.🔍 Which is the odd one out? (a) freezing water (b) folding paper (c) cooking an egg (d) dissolving salt
33. 33.🧈 Can this change be undone: melting ice? (a) cannot be undone (b) can be undone
34. 34.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) the cream temperature (b) time to make butter (c) the amount of cream
35. 35.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is the one thing we change? (a) time to make butter (b) how hard we shake (c) the amount of cream (d) the cream temperature
36. 36.🧈 Can this change be undone: freezing water? (a) cannot be undone (b) can be undone
37. 37.🧈 Which of these is a change that cannot be undone? (a) melting ice (b) freezing water (c) melting butter (d) milk turning to curd
38. 38.🧈 Which of these is a change that cannot be undone? (a) freezing water (b) browning lemon ink (c) melting ice (d) melting butter
39. 39.🧈 Can this change be undone: folding paper? (a) can be undone (b) cannot be undone
40. 40.🛟 Why is a plastic jar a good choice for shaking? (a) it is heavier (b) it is hotter (c) it is magnetic (d) it will not break

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