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