Butter Making Experiment Worksheet
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.
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- 1.True or false: cooking an egg is a change that cannot be undone. (a) False (b) True
- 2.🧈 Can this change be undone: melting butter? (a) can be undone (b) cannot be undone
- 3.🧺 Which of these is not needed for making butter? (a) a jar with a tight lid (b) a timer (c) fresh cream (d) a balloon
- 4.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: time to make butter is kept the same. (a) False (b) True
- 5.True or false: a balloon is needed for making butter. (a) False (b) True
- 6.🧈 Which of these is a change that cannot be undone? (a) dissolving salt (b) rusting iron (c) folding paper (d) melting butter
- 7.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a bowl (b) a battery cell (c) a timer (d) cold water to rinse
- 8.True or false: a timer is needed for making butter. (a) True (b) False
- 9.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: how hard we shake is kept the same. (a) False (b) True
- 10.🧈 Which of these is a change that can be undone? (a) rusting iron (b) browning lemon ink (c) baking a cake (d) melting butter
- 11.🔮 Predict: you shake skimmed milk (with almost no cream) instead. What happens? (a) more butter forms (b) it turns to cheese (c) it turns blue (d) no butter forms
- 12.True or false: fresh cream is not needed for making butter. (a) True (b) False
- 13.🛟 Why must the jar lid be screwed on tightly? (a) so it turns yellow (b) so cream does not spill (c) so it gets hot (d) so air gets out
- 14.🔍 Which is the odd one out? (a) folding paper (b) melting butter (c) freezing water (d) rusting iron
- 15.🧈 Can this change be undone: cooking an egg? (a) cannot be undone (b) can be undone
- 16.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a magnet (b) a jar with a tight lid (c) cold water to rinse (d) a timer
- 17.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a mirror (b) a bowl (c) a jar with a tight lid (d) cold water to rinse
- 18.🧺 Do we need a battery cell for making butter? (a) needed (b) not needed
- 19.🧺 Which of these is needed for making butter? (a) a battery cell (b) a mirror (c) a balloon (d) a timer
- 20.True or false: milk turning to curd is a change that cannot be undone. (a) True (b) False
- 21.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) fresh cream (b) a timer (c) a bowl (d) turmeric powder
- 22.🧺 Which of these is needed for making butter? (a) a magnet (b) a bowl (c) a balloon (d) turmeric powder
- 23.⚖️ 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
- 24.🧺 Which of these is needed for making butter? (a) a balloon (b) a battery cell (c) yeast (d) fresh cream
- 25.⚖️ 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) False (b) True
- 26.🧈 Which of these is a change that can be undone? (a) rusting iron (b) browning lemon ink (c) milk turning to curd (d) freezing water
- 27.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is the one thing we change? (a) how hard we shake (b) the cream temperature (c) the same jar (d) time to make butter
- 28.🧈 Can this change be undone: freezing water? (a) can be undone (b) cannot be undone
- 29.⚖️ 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
- 30.🧈 Can this change be undone: dissolving salt? (a) can be undone (b) cannot be undone
- 31.🔍 Which is the odd one out? (a) folding paper (b) freezing water (c) milk turning to curd (d) dissolving salt
- 32.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is what we measure? (a) the same jar (b) time to make butter (c) how hard we shake (d) the amount of cream
- 33.True or false: rusting iron is a change that can be undone. (a) False (b) True
- 34.True or false: cold water to rinse is not needed for making butter. (a) True (b) False
- 35.🛟 Why is a plastic jar a good choice for shaking? (a) it will not break (b) it is heavier (c) it is magnetic (d) it is hotter
- 36.🔍 Which is the odd one out? (a) browning lemon ink (b) baking a cake (c) cooking an egg (d) folding paper
- 37.🧈 Which tool is used in many Indian homes to churn curd into butter? (a) a rolling pin (b) a pressure cooker (c) a sieve (d) a mathani (churner)
- 38.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: time to make butter is the one thing we change. (a) True (b) False
- 39.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) yeast (b) cold water to rinse (c) fresh cream (d) a jar with a tight lid
- 40.🧈 Can this change be undone: melting ice? (a) cannot be undone (b) can be undone
Answer key
- True
- can be undone
- a balloon
- False
- False
- rusting iron
- a battery cell
- True
- True
- melting butter
- no butter forms
- False
- so cream does not spill
- rusting iron
- cannot be undone
- a magnet
- a mirror
- not needed
- a timer
- True
- turmeric powder
- a bowl
- the amount of cream
- fresh cream
- False
- freezing water
- the cream temperature
- can be undone
- True
- can be undone
- milk turning to curd
- time to make butter
- False
- False
- it will not break
- folding paper
- a mathani (churner)
- False
- yeast
- can be undone
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