Butter Making Experiment Worksheet

Science experiments lesson 17: Butter from shaking cream · Set 656 · 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.🛟 Why must the jar lid be screwed on tightly? (a) so it turns yellow (b) so air gets out (c) so cream does not spill (d) so it gets hot
2. 2.🧈 Which of these is a change that can be undone? (a) browning lemon ink (b) melting ice (c) cooking an egg (d) rusting iron
3. 3.🧈 Which of these is a change that cannot be undone? (a) melting butter (b) dissolving salt (c) baking a cake (d) melting ice
4. 4.True or false: dissolving salt is a change that cannot be undone. (a) False (b) True
5. 5.🧺 Do we need a bowl for making butter? (a) not needed (b) needed
6. 6.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the cream temperature is what we measure. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) the same jar (b) the cream temperature (c) time to make butter
9. 9.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “how hard we shake”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.🧈 Which of these is a change that cannot be undone? (a) dissolving salt (b) folding paper (c) freezing water (d) milk turning to curd
12. 12.🧺 Which of these is not needed for making butter? (a) a balloon (b) a timer (c) a jar with a tight lid (d) fresh cream
13. 13.True or false: rusting iron is a change that can be undone. (a) False (b) True
14. 14.🔮 Predict: you stop shaking after only one minute. What do you have? (a) butter lumps (b) cheese (c) ghee (d) still runny cream
15. 15.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the same jar is kept the same. (a) False (b) True
16. 16.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the same jar is the one thing we change. (a) True (b) False
17. 17.True or false: a bowl is needed for making butter. (a) True (b) False
18. 18.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “time to make butter”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.🧈 Can this change be undone: dissolving salt? (a) can be undone (b) cannot be undone
20. 20.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) fresh cream (b) a jar with a tight lid (c) a balloon (d) a bowl
21. 21.🛟 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
22. 22.🧺 Do we need a balloon for making butter? (a) not needed (b) needed
23. 23.🧺 Do we need a battery cell for making butter? (a) needed (b) not needed
24. 24.🧈 What is the watery liquid left after the butter forms? (a) vinegar (b) honey (c) buttermilk (d) oil
25. 25.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) time to make butter (b) the cream temperature (c) the amount of cream
26. 26.🔮 Predict: you shake skimmed milk (with almost no cream) instead. What happens? (a) no butter forms (b) more butter forms (c) it turns to cheese (d) it turns blue
27. 27.🧈 Which of these is a change that cannot be undone? (a) rusting iron (b) melting butter (c) dissolving salt (d) folding paper
28. 28.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a magnet (b) a bowl (c) fresh cream (d) a jar with a tight lid
29. 29.True or false: browning lemon ink is a change that can be undone. (a) False (b) True
30. 30.🔍 What do you see after shaking cream in a jar for a long time? (a) sugar crystals (b) bubbles of gas (c) lumps of butter (d) clear water only
31. 31.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a bowl (b) yeast (c) cold water to rinse (d) a timer
32. 32.🧺 Do we need a timer for making butter? (a) not needed (b) needed
33. 33.True or false: folding paper is a change that cannot be undone. (a) False (b) True
34. 34.True or false: a balloon is not needed for making butter. (a) False (b) True
35. 35.True or false: a timer is not needed for making butter. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) folding paper (b) melting ice (c) dissolving salt (d) browning lemon ink
37. 37.True or false: fresh cream is not needed for making butter. (a) False (b) True
38. 38.🧈 Which of these is a change that cannot be undone? (a) freezing water (b) dissolving salt (c) cooking an egg (d) melting ice
39. 39.True or false: cold water to rinse is not needed for making butter. (a) True (b) False
40. 40.True or false: baking a cake is a change that cannot be undone. (a) False (b) True

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