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.🧈 Which of these is a change that cannot be undone? (a) baking a cake (b) melting ice (c) dissolving salt (d) freezing water
- 2.⚖️ 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 same jar (c) time to make butter (d) the cream temperature
- 3.⚖️ 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 measure it (c) we keep it the same
- 4.🔮 Predict: you shake skimmed milk (with almost no cream) instead. What happens? (a) more butter forms (b) no butter forms (c) it turns to cheese (d) it turns blue
- 5.🔮 Predict: the jar is filled right to the top with cream. What happens? (a) it takes much longer (b) it makes salt (c) it is much faster (d) it turns pink
- 6.🔍 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
- 7.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the amount of cream is kept the same. (a) True (b) False
- 8.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a jar with a tight lid (b) a timer (c) yeast (d) fresh cream
- 9.True or false: freezing water is a change that can be undone. (a) True (b) False
- 10.True or false: a battery cell is needed for making butter. (a) True (b) False
- 11.🧺 Which of these is needed for making butter? (a) cold water to rinse (b) a battery cell (c) a mirror (d) yeast
- 12.🧺 Which of these is needed for making butter? (a) a magnet (b) fresh cream (c) yeast (d) a mirror
- 13.🧈 Which of these is a change that cannot be undone? (a) folding paper (b) melting butter (c) milk turning to curd (d) melting ice
- 14.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) cold water to rinse (b) fresh cream (c) turmeric powder (d) a timer
- 15.🔍 Which is the odd one out? (a) folding paper (b) melting ice (c) freezing water (d) baking a cake
- 16.True or false: milk turning to curd is a change that cannot be undone. (a) True (b) False
- 17.⚖️ 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
- 18.🔍 Which is the odd one out? (a) folding paper (b) melting ice (c) melting butter (d) milk turning to curd
- 19.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is what we measure? (a) time to make butter (b) the same jar (c) the amount of cream (d) how hard we shake
- 20.⚖️ 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
- 21.🧈 Which of these is a change that can be undone? (a) melting butter (b) cooking an egg (c) milk turning to curd (d) baking a cake
- 22.🧈 Can this change be undone: milk turning to curd? (a) cannot be undone (b) can be undone
- 23.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) the cream temperature (b) the same jar (c) time to make butter
- 24.🧈 Can this change be undone: folding paper? (a) cannot be undone (b) can be undone
- 25.True or false: freezing water is a change that cannot be undone. (a) True (b) False
- 26.🧈 Why does shaking cream make butter? (a) shaking adds salt (b) fat bits stick together (c) the lid is warm (d) the jar adds butter
- 27.🧈 Can this change be undone: melting butter? (a) cannot be undone (b) can be undone
- 28.True or false: a mirror is not needed for making butter. (a) True (b) False
- 29.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “time to make butter”? (a) we keep it the same (b) we change it (c) we measure it
- 30.🧈 Which tool is used in many Indian homes to churn curd into butter? (a) a rolling pin (b) a mathani (churner) (c) a pressure cooker (d) a sieve
- 31.🔮 Predict: you stop shaking after only one minute. What do you have? (a) butter lumps (b) cheese (c) ghee (d) still runny cream
- 32.🧺 Do we need a battery cell for making butter? (a) needed (b) not needed
- 33.🧺 Which of these is needed for making butter? (a) turmeric powder (b) a mirror (c) a jar with a tight lid (d) a magnet
- 34.🧺 Which of these is not needed for making butter? (a) turmeric powder (b) fresh cream (c) a jar with a tight lid (d) a timer
- 35.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a timer (b) cold water to rinse (c) a jar with a tight lid (d) a battery cell
- 36.🧈 Can this change be undone: melting ice? (a) can be undone (b) cannot be undone
- 37.🧈 Which of these is a change that cannot be undone? (a) dissolving salt (b) melting ice (c) folding paper (d) rusting iron
- 38.True or false: a balloon is not needed for making butter. (a) True (b) False
- 39.True or false: melting butter is a change that cannot be undone. (a) True (b) False
- 40.True or false: dissolving salt is a change that cannot be undone. (a) False (b) True
Answer key
- baking a cake
- the cream temperature
- we keep it the same
- no butter forms
- it takes much longer
- lumps of butter
- True
- yeast
- True
- False
- cold water to rinse
- fresh cream
- milk turning to curd
- turmeric powder
- baking a cake
- True
- True
- milk turning to curd
- time to make butter
- False
- melting butter
- cannot be undone
- the same jar
- can be undone
- False
- fat bits stick together
- can be undone
- True
- we measure it
- a mathani (churner)
- still runny cream
- not needed
- a jar with a tight lid
- turmeric powder
- a battery cell
- can be undone
- rusting iron
- True
- False
- False
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