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