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