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