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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 921 · 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.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) a cork (b) a ping-pong ball (c) very salty water (d) an ice cube
  3. 3.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a spoon (c) honey (d) yeast
  4. 4.True or false: a coin is less dense than water. (a) True (b) False
  5. 5.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the same three liquids is what we measure. (a) True (b) False
  6. 6.🔮 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 separate again (d) they become solid
  7. 7.True or false: a cork is less dense than water. (a) True (b) False
  8. 8.🧺 Which of these is needed for the density tower? (a) a magnet (b) cooking oil (c) turmeric powder (d) a balloon
  9. 9.🧺 Which of these is needed for the density tower? (a) a mirror (b) turmeric powder (c) water with food colour (d) a magnet
  10. 10.True or false: cooking oil is not needed for the density tower. (a) True (b) False
  11. 11.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) in the oil layer (c) on top of the oil (d) at the very bottom
  12. 12.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) spilled oil is slippery (c) oil attracts magnets (d) oil makes it rain
  13. 13.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
  14. 14.True or false: a glass marble is denser than water. (a) True (b) False
  15. 15.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the same three liquids is the one thing we change. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) a glass marble (b) a pebble (c) honey (d) cooking oil
  17. 17.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
  18. 18.True or false: a coin is denser than water. (a) True (b) False
  19. 19.📘 What does “dense” mean? (a) very hot (b) very colourful (c) very thin (d) heavy for its size
  20. 20.🍯 Which of these is less dense than water? (a) honey (b) air (c) a pebble (d) a coin
  21. 21.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a battery cell (c) honey (d) a spoon
  22. 22.🍯 Which of these is denser than water? (a) a glass marble (b) a ping-pong ball (c) an ice cube (d) air
  23. 23.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
  24. 24.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a mirror (c) a tall clear glass (d) yeast
  25. 25.True or false: a ping-pong ball is denser than water. (a) False (b) True
  26. 26.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is the one thing we change? (a) the order of pouring (b) the same three liquids (c) the same glass (d) the order of the layers
  27. 27.True or false: air is denser than water. (a) False (b) True
  28. 28.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) yeast (d) a tall clear glass
  29. 29.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a tall clear glass (c) honey (d) a battery cell
  30. 30.🍯 Which of these is denser than water? (a) an ice cube (b) cooking oil (c) honey (d) air
  31. 31.True or false: a spoon is not needed for the density tower. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) cooking oil (b) a cork (c) a pebble (d) an ice cube
  33. 33.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
  34. 34.True or false: honey is not needed for the density tower. (a) False (b) True
  35. 35.True or false: yeast is not needed for the density tower. (a) False (b) True
  36. 36.🧺 Which of these is needed for the density tower? (a) a spoon (b) yeast (c) turmeric powder (d) a mirror
  37. 37.⚖️ 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 pouring (b) the same glass (c) the order of the layers
  38. 38.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
  39. 39.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a balloon (c) honey (d) cooking oil
  40. 40.⚖️ 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 change it (b) we keep it the same (c) we measure it

Answer key

  1. True
  2. very salty water
  3. yeast
  4. False
  5. False
  6. they separate again
  7. True
  8. cooking oil
  9. water with food colour
  10. False
  11. at the very bottom
  12. spilled oil is slippery
  13. not needed
  14. True
  15. False
  16. cooking oil
  17. less dense than water
  18. True
  19. heavy for its size
  20. air
  21. a battery cell
  22. a glass marble
  23. denser than water
  24. a tall clear glass
  25. False
  26. the order of pouring
  27. False
  28. yeast
  29. a battery cell
  30. honey
  31. False
  32. a pebble
  33. denser than water
  34. False
  35. True
  36. a spoon
  37. the same glass
  38. not needed
  39. a balloon
  40. we change it

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