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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 380 · 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.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil makes it rain (c) oil turns into honey (d) spilled oil is slippery
  2. 2.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
  3. 3.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
  4. 4.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) pour it on the floor (c) throw the glass (d) do not lick the spoon
  5. 5.🧺 Do we need honey for the density tower? (a) not needed (b) needed
  6. 6.True or false: a cork is less dense than water. (a) True (b) False
  7. 7.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
  8. 8.True or false: honey is denser than water. (a) False (b) True
  9. 9.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) honey (c) cooking oil (d) the spoon
  10. 10.🧺 Which of these is needed for the density tower? (a) yeast (b) a battery cell (c) a balloon (d) a spoon
  11. 11.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: how much of each liquid is the one thing we change. (a) False (b) True
  12. 12.⚖️ 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 same glass”? (a) we measure it (b) we change it (c) we keep it the same
  13. 13.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
  14. 14.🔍 What do you see after pouring honey, water and oil into one glass? (a) three separate layers (b) the glass gets hot (c) bubbles of gas (d) one mixed colour
  15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a tall clear glass (d) yeast
  16. 16.🍯 Which of these is less dense than water? (a) a glass marble (b) honey (c) very salty water (d) a cork
  17. 17.🧺 Which of these is needed for the density tower? (a) a magnet (b) yeast (c) turmeric powder (d) cooking oil
  18. 18.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) in the water layer (c) on top of the oil (d) at the very bottom
  19. 19.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
  20. 20.True or false: a cork is denser than water. (a) False (b) True
  21. 21.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
  22. 22.True or false: a pebble is less dense than water. (a) False (b) True
  23. 23.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
  24. 24.⚖️ 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 change it (b) we keep it the same (c) we measure it
  25. 25.True or false: a balloon is needed for the density tower. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a tall clear glass (c) honey (d) a magnet
  27. 27.True or false: a spoon is needed for the density tower. (a) True (b) False
  28. 28.⚖️ 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 pouring”? (a) we keep it the same (b) we change it (c) we measure it
  29. 29.⚖️ 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
  30. 30.🔍 Which is the odd one out? (a) a pebble (b) a cork (c) a glass marble (d) honey
  31. 31.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is kept the same? (a) the order of the layers (b) the order of pouring (c) the same three liquids
  32. 32.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
  33. 33.True or false: a coin is less dense than water. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the density tower? (a) a balloon (b) a tall clear glass (c) a spoon (d) water with food colour
  35. 35.True or false: cooking oil is less dense than water. (a) False (b) True
  36. 36.True or false: honey is needed for the density tower. (a) True (b) False
  37. 37.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
  38. 38.🫗 Why does cooking oil float on top of water? (a) oil is sticky (b) oil is hot (c) oil is less dense (d) oil is heavier
  39. 39.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
  40. 40.True or false: an ice cube is less dense than water. (a) True (b) False

Answer key

  1. spilled oil is slippery
  2. less dense than water
  3. not needed
  4. do not lick the spoon
  5. needed
  6. True
  7. less dense than water
  8. True
  9. cooking oil
  10. a spoon
  11. False
  12. we keep it the same
  13. False
  14. three separate layers
  15. yeast
  16. a cork
  17. cooking oil
  18. at the very bottom
  19. denser than water
  20. False
  21. True
  22. False
  23. not needed
  24. we measure it
  25. False
  26. a magnet
  27. True
  28. we change it
  29. True
  30. a cork
  31. the same three liquids
  32. not needed
  33. False
  34. a balloon
  35. True
  36. True
  37. needed
  38. oil is less dense
  39. denser than water
  40. True

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