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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 412 · 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.🍯 Which of these is denser than water? (a) cooking oil (b) honey (c) an ice cube (d) air
  2. 2.📘 What does “dense” mean? (a) very hot (b) very colourful (c) very thin (d) heavy for its size
  3. 3.🔍 Which is the odd one out? (a) cooking oil (b) a cork (c) a coin (d) air
  4. 4.🍯 Which of these is less dense than water? (a) very salty water (b) a coin (c) a cork (d) a glass marble
  5. 5.🧺 Which of these is not needed for the density tower? (a) honey (b) water with food colour (c) a tall clear glass (d) a mirror
  6. 6.🔍 Which is the odd one out? (a) very salty water (b) a cork (c) an ice cube (d) air
  7. 7.True or false: a spoon is not needed for the density tower. (a) True (b) False
  8. 8.🍯 Which of these is less dense than water? (a) honey (b) very salty water (c) an ice cube (d) a pebble
  9. 9.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
  10. 10.⚖️ 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
  11. 11.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
  12. 12.True or false: a balloon is not needed for the density tower. (a) True (b) False
  13. 13.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) honey (c) a battery cell (d) a mirror
  14. 14.True or false: very salty water is denser than water. (a) False (b) True
  15. 15.True or false: a magnet is needed for the density tower. (a) False (b) True
  16. 16.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
  17. 17.True or false: a mirror is not needed for the density tower. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) an ice cube (b) honey (c) a ping-pong ball (d) cooking oil
  19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a spoon (d) a battery cell
  20. 20.🧺 Do we need honey for the density tower? (a) not needed (b) needed
  21. 21.True or false: air is denser than water. (a) False (b) True
  22. 22.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
  23. 23.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
  24. 24.⚖️ 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 the layers (b) the same three liquids (c) the order of pouring (d) the same glass
  25. 25.True or false: honey is needed for the density tower. (a) False (b) True
  26. 26.True or false: a glass marble is denser than water. (a) False (b) True
  27. 27.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a balloon (c) a spoon (d) honey
  28. 28.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) the spoon (c) cooking oil (d) honey
  29. 29.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they mix for ever (c) they turn to honey (d) they separate again
  30. 30.🍯 Which of these is denser than water? (a) a coin (b) a ping-pong ball (c) air (d) cooking oil
  31. 31.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) spilled oil is slippery (c) oil turns into honey (d) oil makes it rain
  32. 32.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) honey (c) a spoon (d) a tall clear glass
  33. 33.True or false: cooking oil is denser than water. (a) False (b) True
  34. 34.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
  35. 35.⚖️ 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 the layers is kept the same. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) very salty water (b) honey (c) a coin (d) air
  37. 37.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) in the oil layer (c) on top of the oil (d) in the water layer
  38. 38.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) under the honey (c) in the honey layer (d) on top of the oil
  39. 39.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
  40. 40.True or false: cooking oil is not needed for the density tower. (a) True (b) False

Answer key

  1. honey
  2. heavy for its size
  3. a coin
  4. a cork
  5. a mirror
  6. very salty water
  7. False
  8. an ice cube
  9. not needed
  10. we change it
  11. denser than water
  12. True
  13. honey
  14. True
  15. False
  16. not needed
  17. True
  18. honey
  19. a battery cell
  20. needed
  21. False
  22. less dense than water
  23. not needed
  24. the order of pouring
  25. True
  26. True
  27. a balloon
  28. cooking oil
  29. they separate again
  30. a coin
  31. spilled oil is slippery
  32. a magnet
  33. False
  34. not needed
  35. False
  36. air
  37. at the very bottom
  38. on top of the oil
  39. less dense than water
  40. False

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