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