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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 315 · 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 not needed for the density tower? (a) cooking oil (b) a balloon (c) a tall clear glass (d) honey
  2. 2.🔍 Which is the odd one out? (a) cooking oil (b) honey (c) a cork (d) an ice cube
  3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) yeast (d) water with food colour
  4. 4.True or false: honey is not needed for the density tower. (a) True (b) False
  5. 5.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) at the very bottom (c) on top of the oil (d) in the oil layer
  6. 6.⚖️ 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 what we measure. (a) False (b) True
  7. 7.🍯 Which of these is less dense than water? (a) cooking oil (b) a coin (c) very salty water (d) a pebble
  8. 8.True or false: very salty water is denser than water. (a) True (b) False
  9. 9.⚖️ 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 the one thing we change. (a) True (b) False
  10. 10.True or false: cooking oil is needed for the density tower. (a) True (b) False
  11. 11.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
  12. 12.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
  13. 13.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
  14. 14.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
  15. 15.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
  16. 16.True or false: a pebble is less dense than water. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) very salty water (b) cooking oil (c) a coin (d) honey
  18. 18.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
  19. 19.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
  20. 20.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a spoon (c) a mirror (d) a balloon
  21. 21.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
  22. 22.True or false: yeast is not needed for the density tower. (a) False (b) True
  23. 23.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
  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 keep it the same (b) we change it (c) we measure it
  25. 25.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) a spoon (c) water with food colour (d) honey
  26. 26.🧺 Which of these is not needed for the density tower? (a) a magnet (b) a tall clear glass (c) honey (d) water with food colour
  27. 27.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) cooking oil (d) turmeric powder
  28. 28.⚖️ 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) True (b) False
  29. 29.🧺 Do we need honey for the density tower? (a) not needed (b) needed
  30. 30.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
  31. 31.🔮 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 turn to honey (d) they become solid
  32. 32.True or false: a spoon is not needed for the density tower. (a) False (b) True
  33. 33.⚖️ 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 same three liquids (b) the same glass (c) the order of pouring (d) how much of each liquid
  34. 34.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
  35. 35.🔍 Which is the odd one out? (a) a cork (b) a coin (c) a glass marble (d) very salty water
  36. 36.True or false: a coin is less dense than water. (a) True (b) False
  37. 37.⚖️ 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 kept the same. (a) False (b) True
  38. 38.🍯 Which of these is denser than water? (a) a pebble (b) a ping-pong ball (c) cooking oil (d) an ice cube
  39. 39.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) cooking oil (c) yeast (d) a spoon
  40. 40.True or false: honey is needed for the density tower. (a) True (b) False

Answer key

  1. a balloon
  2. honey
  3. yeast
  4. False
  5. at the very bottom
  6. False
  7. cooking oil
  8. True
  9. False
  10. True
  11. True
  12. not needed
  13. denser than water
  14. less dense than water
  15. less dense than water
  16. False
  17. cooking oil
  18. needed
  19. not needed
  20. a spoon
  21. needed
  22. True
  23. denser than water
  24. we measure it
  25. a battery cell
  26. a magnet
  27. turmeric powder
  28. True
  29. needed
  30. not needed
  31. they separate again
  32. False
  33. the order of pouring
  34. denser than water
  35. a cork
  36. False
  37. True
  38. a pebble
  39. yeast
  40. True

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