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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 160 · 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 needed for the density tower? (a) a balloon (b) turmeric powder (c) a mirror (d) a tall clear glass
  2. 2.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
  3. 3.⚖️ 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 keep it the same (b) we change it (c) we measure it
  4. 4.🍯 Which of these is less dense than water? (a) a coin (b) a glass marble (c) very salty water (d) cooking oil
  5. 5.True or false: very salty water is less dense than water. (a) False (b) True
  6. 6.⚖️ 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) how much of each liquid (b) the same three liquids (c) the order of the layers (d) the order of pouring
  7. 7.⚖️ 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 glass (c) how much of each liquid (d) the order of pouring
  8. 8.True or false: honey is needed for the density tower. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) cooking oil (b) very salty water (c) a cork (d) an ice cube
  10. 10.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
  11. 11.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
  12. 12.True or false: an ice cube is denser than water. (a) True (b) False
  13. 13.🧺 Which of these is not needed for the density tower? (a) honey (b) a spoon (c) turmeric powder (d) cooking oil
  14. 14.🧺 Do we need honey for the density tower? (a) needed (b) not needed
  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) False (b) True
  16. 16.🔍 Which is the odd one out? (a) honey (b) cooking oil (c) an ice cube (d) a cork
  17. 17.🔍 Which is the odd one out? (a) honey (b) a ping-pong ball (c) a pebble (d) very salty water
  18. 18.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a glass marble (c) a cork (d) air
  19. 19.🛟 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
  20. 20.🧺 Which of these is needed for the density tower? (a) cooking oil (b) a mirror (c) a magnet (d) a battery cell
  21. 21.🔍 Which is the odd one out? (a) very salty water (b) a glass marble (c) an ice cube (d) honey
  22. 22.🧺 Which of these is needed for the density tower? (a) yeast (b) turmeric powder (c) a magnet (d) a spoon
  23. 23.True or false: very salty water is denser than water. (a) False (b) True
  24. 24.⚖️ 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 kept the same. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) cooking oil (b) a coin (c) a pebble (d) honey
  26. 26.🧺 Which of these is needed for the density tower? (a) a balloon (b) a magnet (c) honey (d) turmeric powder
  27. 27.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they mix for ever (c) they become solid (d) they turn to honey
  28. 28.🔍 Which is the odd one out? (a) an ice cube (b) air (c) a coin (d) cooking oil
  29. 29.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
  30. 30.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) a spoon (d) a magnet
  31. 31.🍯 Which of these is denser than water? (a) air (b) a coin (c) a ping-pong ball (d) a cork
  32. 32.True or false: a magnet is needed for the density tower. (a) True (b) False
  33. 33.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
  34. 34.🍯 Why does honey sink to the bottom of the glass? (a) it is the densest (b) it is the stickiest (c) it is the coldest (d) it is yellow
  35. 35.🍯 Which of these is denser than water? (a) a cork (b) honey (c) an ice cube (d) cooking oil
  36. 36.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
  37. 37.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) coloured water (c) honey (d) the spoon
  38. 38.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
  39. 39.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a mirror (c) a spoon (d) cooking oil
  40. 40.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water

Answer key

  1. a tall clear glass
  2. not needed
  3. we keep it the same
  4. cooking oil
  5. False
  6. the order of the layers
  7. the order of pouring
  8. True
  9. very salty water
  10. less dense than water
  11. less dense than water
  12. False
  13. turmeric powder
  14. needed
  15. False
  16. honey
  17. a ping-pong ball
  18. a glass marble
  19. spilled oil is slippery
  20. cooking oil
  21. an ice cube
  22. a spoon
  23. True
  24. True
  25. cooking oil
  26. honey
  27. they separate again
  28. a coin
  29. needed
  30. a magnet
  31. a coin
  32. False
  33. True
  34. it is the densest
  35. honey
  36. not needed
  37. cooking oil
  38. needed
  39. a mirror
  40. denser than water

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