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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 447 · 40 questions
TalentJR

What you do (Heaviest for its size sinks): 1. Pour honey slowly into the glass to fill about a quarter. 2. Pour coloured water gently down the side of the glass. 3. Pour the cooking oil gently on top and watch the layers settle. 4. Gently drop in a cork and a coin, see where each stops, and wipe up oil spills.

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  1. 1.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the order of the layers”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a spoon (c) a magnet (d) cooking oil
  3. 3.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the order of pouring is what we measure. (a) True (b) False
  4. 4.True or false: a ping-pong ball is denser than water. (a) True (b) False
  5. 5.True or false: a cork is denser than water. (a) False (b) True
  6. 6.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
  7. 7.🔍 Which is the odd one out? (a) very salty water (b) honey (c) a coin (d) a cork
  8. 8.True or false: a mirror is needed for the density tower. (a) True (b) False
  9. 9.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
  10. 10.🔍 Which is the odd one out? (a) a ping-pong ball (b) honey (c) a cork (d) an ice cube
  11. 11.True or false: honey is less dense than water. (a) True (b) False
  12. 12.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the coldest (d) it is the densest
  13. 13.🍯 Which of these is less dense than water? (a) a glass marble (b) a pebble (c) very salty water (d) air
  14. 14.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a tall clear glass (c) honey (d) turmeric powder
  15. 15.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) the glass gets hot (c) bubbles of gas (d) three separate layers
  16. 16.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the order of pouring is the one thing we change. (a) True (b) False
  17. 17.🍯 Which of these is less dense than water? (a) a pebble (b) a cork (c) a glass marble (d) very salty water
  18. 18.🧺 Which of these is needed for the density tower? (a) a battery cell (b) turmeric powder (c) a mirror (d) cooking oil
  19. 19.True or false: a cork is less dense than water. (a) False (b) True
  20. 20.True or false: a glass marble is less dense than water. (a) True (b) False
  21. 21.🧺 Which of these is not needed for the density tower? (a) a battery cell (b) water with food colour (c) a spoon (d) honey
  22. 22.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil makes it rain (c) oil attracts magnets (d) oil turns into honey
  23. 23.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they mix for ever (c) they become solid (d) they separate again
  24. 24.True or false: turmeric powder is needed for the density tower. (a) False (b) True
  25. 25.🧺 Which of these is needed for the density tower? (a) water with food colour (b) turmeric powder (c) a mirror (d) a magnet
  26. 26.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) honey (c) turmeric powder (d) a spoon
  27. 27.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
  28. 28.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) throw the glass (d) do not lick the spoon
  29. 29.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
  30. 30.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
  31. 31.🫗 Why does cooking oil float on top of water? (a) oil is sticky (b) oil is hot (c) oil is heavier (d) oil is less dense
  32. 32.🔍 Which is the odd one out? (a) an ice cube (b) cooking oil (c) a glass marble (d) a cork
  33. 33.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
  34. 34.🔍 Which is the odd one out? (a) very salty water (b) a glass marble (c) honey (d) air
  35. 35.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed
  36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) honey (c) a balloon (d) water with food colour
  37. 37.🧺 Do we need honey for the density tower? (a) not needed (b) needed
  38. 38.True or false: a pebble is less dense than water. (a) True (b) False
  39. 39.True or false: an ice cube is denser than water. (a) True (b) False
  40. 40.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is what we measure? (a) the order of the layers (b) the same glass (c) the same three liquids (d) the order of pouring

Answer key

  1. we measure it
  2. a magnet
  3. False
  4. False
  5. False
  6. less dense than water
  7. a cork
  8. False
  9. denser than water
  10. honey
  11. False
  12. it is the densest
  13. air
  14. turmeric powder
  15. three separate layers
  16. True
  17. a cork
  18. cooking oil
  19. True
  20. False
  21. a battery cell
  22. spilled oil is slippery
  23. they separate again
  24. False
  25. water with food colour
  26. turmeric powder
  27. needed
  28. do not lick the spoon
  29. needed
  30. not needed
  31. oil is less dense
  32. a glass marble
  33. denser than water
  34. air
  35. needed
  36. a balloon
  37. needed
  38. False
  39. False
  40. the order of the layers

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