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.🛟 Why must the jar lid be screwed on tightly? (a) so air gets out (b) so it turns yellow (c) so cream does not spill (d) so it gets hot
- 2.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “how hard we shake”? (a) we measure it (b) we keep it the same (c) we change it
- 3.🧈 Which of these is a change that can be undone? (a) browning lemon ink (b) milk turning to curd (c) melting butter (d) cooking an egg
- 4.🧈 Can this change be undone: melting ice? (a) cannot be undone (b) can be undone
- 5.🔍 Which is the odd one out? (a) browning lemon ink (b) milk turning to curd (c) cooking an egg (d) folding paper
- 6.True or false: a balloon is needed for making butter. (a) True (b) False
- 7.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is the one thing we change? (a) the cream temperature (b) time to make butter (c) the amount of cream (d) how hard we shake
- 8.🧺 Which of these is needed for making butter? (a) a mirror (b) fresh cream (c) a battery cell (d) a magnet
- 9.🧈 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)
- 10.🛟 Why is a plastic jar a good choice for shaking? (a) it is magnetic (b) it will not break (c) it is heavier (d) it is hotter
- 11.⚖️ 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
- 12.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a battery cell (b) a timer (c) fresh cream (d) a bowl
- 13.True or false: turmeric powder is needed for making butter. (a) False (b) True
- 14.🔍 Which is the odd one out? (a) melting ice (b) folding paper (c) dissolving salt (d) baking a cake
- 15.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is what we measure? (a) the cream temperature (b) the same jar (c) the amount of cream (d) time to make butter
- 16.🧈 Can this change be undone: melting butter? (a) can be undone (b) cannot be undone
- 17.🧺 Which of these is needed for making butter? (a) turmeric powder (b) a magnet (c) cold water to rinse (d) yeast
- 18.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) turmeric powder (b) fresh cream (c) cold water to rinse (d) a timer
- 19.🧈 Can this change be undone: dissolving salt? (a) cannot be undone (b) can be undone
- 20.True or false: a timer is not needed for making butter. (a) True (b) False
- 21.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the cream temperature”? (a) we measure it (b) we change it (c) we keep it the same
- 22.True or false: a mirror is needed for making butter. (a) False (b) True
- 23.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: how hard we shake is the one thing we change. (a) False (b) True
- 24.True or false: baking a cake is a change that cannot be undone. (a) False (b) True
- 25.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a jar with a tight lid (b) yeast (c) a timer (d) fresh cream
- 26.True or false: cold water to rinse is needed for making butter. (a) False (b) True
- 27.True or false: rusting iron is a change that cannot be undone. (a) False (b) True
- 28.🧺 Which of these is needed for making butter? (a) a magnet (b) a balloon (c) a battery cell (d) a timer
- 29.True or false: yeast is needed for making butter. (a) True (b) False
- 30.🧈 Which of these is a change that can be undone? (a) cooking an egg (b) rusting iron (c) freezing water (d) browning lemon ink
- 31.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) the amount of cream (b) the cream temperature (c) time to make butter
- 32.🧈 Can this change be undone: milk turning to curd? (a) cannot be undone (b) can be undone
- 33.True or false: dissolving salt is a change that cannot be undone. (a) True (b) False
- 34.🧈 What is the watery liquid left after the butter forms? (a) vinegar (b) buttermilk (c) honey (d) oil
- 35.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is kept the same? (a) the same jar (b) time to make butter (c) the cream temperature
- 36.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “time to make butter”? (a) we change it (b) we keep it the same (c) we measure it
- 37.⚖️ 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
- 38.🧺 Do we need fresh cream for making butter? (a) not needed (b) needed
- 39.🧺 Do we need a balloon for making butter? (a) needed (b) not needed
- 40.🧈 Can this change be undone: folding paper? (a) can be undone (b) cannot be undone
Answer key
- so cream does not spill
- we keep it the same
- melting butter
- can be undone
- folding paper
- False
- the cream temperature
- fresh cream
- a mathani (churner)
- it will not break
- False
- a battery cell
- False
- baking a cake
- time to make butter
- can be undone
- cold water to rinse
- turmeric powder
- can be undone
- False
- we change it
- False
- False
- True
- yeast
- True
- True
- a timer
- False
- freezing water
- the amount of cream
- cannot be undone
- False
- buttermilk
- the same jar
- we measure it
- we keep it the same
- needed
- not needed
- can be undone
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