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: baking a cake is a change that cannot be undone. (a) True (b) False
- 2.⚖️ 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 change it (c) we keep it the same
- 3.🧺 Do we need a balloon for making butter? (a) not needed (b) needed
- 4.🧺 Do we need a battery cell for making butter? (a) not needed (b) needed
- 5.🔮 Predict: the jar is filled right to the top with cream. What happens? (a) it takes much longer (b) it turns pink (c) it is much faster (d) it makes salt
- 6.🧈 Can this change be undone: browning lemon ink? (a) cannot be undone (b) can be undone
- 7.True or false: cooking an egg is a change that can be undone. (a) True (b) False
- 8.True or false: a timer is not needed for making butter. (a) False (b) True
- 9.True or false: cold water to rinse is not needed for making butter. (a) False (b) True
- 10.⚖️ 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 same jar (c) the cream temperature
- 11.🧈 Which tool is used in many Indian homes to churn curd into butter? (a) a mathani (churner) (b) a sieve (c) a pressure cooker (d) a rolling pin
- 12.🧈 Can this change be undone: melting butter? (a) cannot be undone (b) can be undone
- 13.🧈 Which of these is a change that cannot be undone? (a) folding paper (b) freezing water (c) rusting iron (d) dissolving salt
- 14.🛟 Why is a plastic jar a good choice for shaking? (a) it is hotter (b) it will not break (c) it is heavier (d) it is magnetic
- 15.🧺 Which of these is not needed for making butter? (a) a jar with a tight lid (b) cold water to rinse (c) fresh cream (d) a battery cell
- 16.True or false: a bowl is not needed for making butter. (a) False (b) True
- 17.⚖️ 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
- 18.🔮 Predict: you stop shaking after only one minute. What do you have? (a) butter lumps (b) cheese (c) ghee (d) still runny cream
- 19.🧺 Do we need turmeric powder for making butter? (a) not needed (b) needed
- 20.True or false: baking a cake is a change that can be undone. (a) False (b) True
- 21.🔍 Which is the odd one out? (a) melting butter (b) baking a cake (c) rusting iron (d) browning lemon ink
- 22.🧺 Do we need cold water to rinse for making butter? (a) not needed (b) needed
- 23.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a jar with a tight lid (b) a mirror (c) fresh cream (d) cold water to rinse
- 24.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: time to make butter is what we measure. (a) False (b) True
- 25.True or false: freezing water is a change that can be undone. (a) False (b) True
- 26.⚖️ 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
- 27.🔍 What do you see after shaking cream in a jar for a long time? (a) lumps of butter (b) bubbles of gas (c) sugar crystals (d) clear water only
- 28.🧈 Can this change be undone: dissolving salt? (a) can be undone (b) cannot be undone
- 29.True or false: folding paper is a change that cannot be undone. (a) True (b) False
- 30.🧺 Do we need a mirror for making butter? (a) not needed (b) needed
- 31.🛟 Why must the jar lid be screwed on tightly? (a) so it gets hot (b) so cream does not spill (c) so it turns yellow (d) so air gets out
- 32.True or false: a battery cell is needed for making butter. (a) True (b) False
- 33.⚖️ 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
- 34.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a balloon (b) cold water to rinse (c) a timer (d) fresh cream
- 35.🧈 Which of these is a change that cannot be undone? (a) melting butter (b) dissolving salt (c) baking a cake (d) melting ice
- 36.🧺 Do we need a jar with a tight lid for making butter? (a) not needed (b) needed
- 37.⚖️ 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) time to make butter (c) the cream temperature
- 38.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is the one thing we change? (a) time to make butter (b) how hard we shake (c) the amount of cream (d) the cream temperature
- 39.🧺 Which of these is not needed for making butter? (a) a jar with a tight lid (b) a mirror (c) cold water to rinse (d) a bowl
- 40.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the amount of cream is what we measure. (a) False (b) True
Answer key
- True
- we keep it the same
- not needed
- not needed
- it takes much longer
- cannot be undone
- False
- False
- False
- the same jar
- a mathani (churner)
- can be undone
- rusting iron
- it will not break
- a battery cell
- False
- False
- still runny cream
- not needed
- False
- melting butter
- needed
- a mirror
- True
- True
- we measure it
- lumps of butter
- can be undone
- False
- not needed
- so cream does not spill
- False
- time to make butter
- a balloon
- baking a cake
- needed
- the amount of cream
- the cream temperature
- a mirror
- False
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