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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 435 · 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 is the odd one out? (a) cooking oil (b) a coin (c) a glass marble (d) a pebble
  2. 2.🧺 Do we need honey for the density tower? (a) needed (b) not needed
  3. 3.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the water layer (c) at the very bottom (d) in the oil layer
  4. 4.⚖️ 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
  5. 5.⚖️ 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 change it (b) we keep it the same (c) we measure it
  6. 6.🧺 Which of these is needed for the density tower? (a) a magnet (b) a mirror (c) water with food colour (d) yeast
  7. 7.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the coldest (c) it is the stickiest (d) it is the densest
  8. 8.🧺 Do we need water with food colour for the density tower? (a) not needed (b) needed
  9. 9.🔍 Which is the odd one out? (a) very salty water (b) air (c) a glass marble (d) honey
  10. 10.True or false: a ping-pong ball is denser than water. (a) False (b) True
  11. 11.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) do not lick the spoon (d) throw the glass
  12. 12.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
  13. 13.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a mirror (c) a spoon (d) cooking oil
  14. 14.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they turn to honey (c) they mix for ever (d) they separate again
  15. 15.True or false: a cork is denser than water. (a) True (b) False
  16. 16.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) oil attracts magnets (c) spilled oil is slippery (d) oil turns into honey
  17. 17.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
  18. 18.🔍 Which is the odd one out? (a) a pebble (b) a ping-pong ball (c) cooking oil (d) a cork
  19. 19.⚖️ 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) how much of each liquid (b) the order of the layers (c) the order of pouring
  20. 20.🔍 Which is the odd one out? (a) a coin (b) a cork (c) an ice cube (d) air
  21. 21.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
  22. 22.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is less dense (c) oil is sticky (d) oil is heavier
  23. 23.🍯 Which of these is less dense than water? (a) a pebble (b) an ice cube (c) very salty water (d) honey
  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 what we measure? (a) the same three liquids (b) the order of the layers (c) how much of each liquid (d) the order of pouring
  25. 25.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
  26. 26.True or false: a mirror is needed for the density tower. (a) False (b) True
  27. 27.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
  28. 28.🍯 Which of these is less dense than water? (a) a pebble (b) honey (c) a coin (d) air
  29. 29.True or false: a glass marble is less dense than water. (a) False (b) True
  30. 30.True or false: a magnet is not needed for the density tower. (a) False (b) True
  31. 31.🍯 Which of these is denser than water? (a) an ice cube (b) cooking oil (c) a glass marble (d) a cork
  32. 32.True or false: a cork is less dense than water. (a) False (b) True
  33. 33.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) honey (c) the spoon (d) cooking oil
  34. 34.True or false: a ping-pong ball is less dense than water. (a) True (b) False
  35. 35.True or false: a coin is denser than water. (a) True (b) False
  36. 36.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
  37. 37.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
  38. 38.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a mirror (c) honey (d) a magnet
  39. 39.True or false: water with food colour is not needed for the density tower. (a) True (b) False
  40. 40.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water

Answer key

  1. cooking oil
  2. needed
  3. at the very bottom
  4. we change it
  5. we keep it the same
  6. water with food colour
  7. it is the densest
  8. needed
  9. air
  10. False
  11. do not lick the spoon
  12. not needed
  13. a mirror
  14. they separate again
  15. False
  16. spilled oil is slippery
  17. denser than water
  18. a pebble
  19. how much of each liquid
  20. a coin
  21. needed
  22. oil is less dense
  23. an ice cube
  24. the order of the layers
  25. less dense than water
  26. False
  27. False
  28. air
  29. False
  30. True
  31. a glass marble
  32. True
  33. cooking oil
  34. True
  35. True
  36. needed
  37. not needed
  38. honey
  39. False
  40. denser than water

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