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.🧺 Do we need a timer for making butter? (a) needed (b) not needed
- 2.🧈 Which of these is a change that can be undone? (a) dissolving salt (b) milk turning to curd (c) cooking an egg (d) rusting iron
- 3.🧺 Which of these is needed for making butter? (a) turmeric powder (b) a battery cell (c) yeast (d) a timer
- 4.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the amount of cream”? (a) we keep it the same (b) we change it (c) we measure it
- 5.🔍 What do you see after shaking cream in a jar for a long time? (a) lumps of butter (b) sugar crystals (c) bubbles of gas (d) clear water only
- 6.⚖️ Fair test — does cold cream turn into butter faster than warm cream? Which of these is what we measure? (a) the amount of cream (b) the same jar (c) time to make butter (d) the cream temperature
- 7.True or false: a jar with a tight lid is needed for making butter. (a) False (b) True
- 8.⚖️ 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) time to make butter (c) the cream temperature (d) the same jar
- 9.🔍 Which is the odd one out? (a) baking a cake (b) milk turning to curd (c) rusting iron (d) dissolving salt
- 10.🧈 Can this change be undone: baking a cake? (a) can be undone (b) cannot be undone
- 11.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a battery cell (b) fresh cream (c) a jar with a tight lid (d) cold water to rinse
- 12.🧺 Do we need a mirror for making butter? (a) not needed (b) needed
- 13.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the cream temperature is what we measure. (a) False (b) True
- 14.🧈 Which of these is a change that can be undone? (a) rusting iron (b) cooking an egg (c) melting ice (d) baking a cake
- 15.🔮 Predict: you stop shaking after only one minute. What do you have? (a) still runny cream (b) ghee (c) butter lumps (d) cheese
- 16.🧺 Which of these is not needed for making butter? (a) a balloon (b) fresh cream (c) a timer (d) cold water to rinse
- 17.🧺 Do we need a magnet for making butter? (a) not needed (b) needed
- 18.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) cold water to rinse (b) fresh cream (c) a bowl (d) yeast
- 19.⚖️ 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
- 20.🔮 Predict: you shake skimmed milk (with almost no cream) instead. What happens? (a) more butter forms (b) it turns to cheese (c) no butter forms (d) it turns blue
- 21.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the same jar”? (a) we keep it the same (b) we change it (c) we measure it
- 22.True or false: rusting iron is a change that cannot be undone. (a) True (b) False
- 23.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: time to make butter is what we measure. (a) True (b) False
- 24.🛟 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
- 25.🧈 Which of these is a change that cannot be undone? (a) melting butter (b) browning lemon ink (c) melting ice (d) freezing water
- 26.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) fresh cream (b) a timer (c) cold water to rinse (d) a magnet
- 27.🧺 Three of these are needed for making butter. Which one is NOT needed? (a) a timer (b) a bowl (c) turmeric powder (d) fresh cream
- 28.🧈 What is the watery liquid left after the butter forms? (a) vinegar (b) oil (c) buttermilk (d) honey
- 29.⚖️ Fair test — does cold cream turn into butter faster than warm cream? What do we do with “the cream temperature”? (a) we change it (b) we measure it (c) we keep it the same
- 30.🧺 Which of these is needed for making butter? (a) a balloon (b) a magnet (c) a mirror (d) cold water to rinse
- 31.🧺 Do we need fresh cream for making butter? (a) not needed (b) needed
- 32.True or false: a bowl is not needed for making butter. (a) True (b) False
- 33.🧺 Which of these is not needed for making butter? (a) a jar with a tight lid (b) fresh cream (c) a bowl (d) yeast
- 34.🧈 Which of these is a change that can be undone? (a) melting butter (b) rusting iron (c) milk turning to curd (d) cooking an egg
- 35.🧺 Which of these is not needed for making butter? (a) a battery cell (b) a bowl (c) cold water to rinse (d) a jar with a tight lid
- 36.🧈 Can this change be undone: dissolving salt? (a) cannot be undone (b) can be undone
- 37.🧈 Before the butter appears, what does the cream turn into? (a) powder (b) clear water (c) thick whipped cream (d) ice
- 38.True or false: a timer is needed for making butter. (a) False (b) True
- 39.⚖️ Fair test — does cold cream turn into butter faster than warm cream? True or false: the same jar is what we measure. (a) False (b) True
- 40.🔮 Predict: the jar is filled right to the top with cream. What happens? (a) it turns pink (b) it takes much longer (c) it makes salt (d) it is much faster
Answer key
- needed
- dissolving salt
- a timer
- we keep it the same
- lumps of butter
- time to make butter
- True
- the cream temperature
- dissolving salt
- cannot be undone
- a battery cell
- not needed
- False
- melting ice
- still runny cream
- a balloon
- not needed
- yeast
- the amount of cream
- no butter forms
- we keep it the same
- True
- True
- so cream does not spill
- browning lemon ink
- a magnet
- turmeric powder
- buttermilk
- we change it
- cold water to rinse
- needed
- False
- yeast
- melting butter
- a battery cell
- can be undone
- thick whipped cream
- True
- False
- it takes much longer
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