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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 502 · 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: a tall clear glass is needed for the density tower. (a) True (b) False
  2. 2.🧺 Which of these is not needed for the density tower? (a) a spoon (b) a tall clear glass (c) water with food colour (d) a balloon
  3. 3.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
  4. 4.True or false: honey is denser than water. (a) True (b) False
  5. 5.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
  6. 6.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
  7. 7.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) cooking oil (c) coloured water (d) the spoon
  8. 8.🔍 Which is the odd one out? (a) a ping-pong ball (b) cooking oil (c) a pebble (d) a cork
  9. 9.True or false: honey is less dense than water. (a) False (b) True
  10. 10.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
  11. 11.True or false: a balloon is needed for the density tower. (a) True (b) False
  12. 12.🧺 Which of these is needed for the density tower? (a) a mirror (b) a tall clear glass (c) a magnet (d) yeast
  13. 13.🍯 Which of these is denser than water? (a) a pebble (b) a ping-pong ball (c) cooking oil (d) a cork
  14. 14.🔍 Which is the odd one out? (a) a cork (b) very salty water (c) a pebble (d) honey
  15. 15.⚖️ 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 “how much of each liquid”? (a) we keep it the same (b) we change it (c) we measure it
  16. 16.⚖️ 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 glass is kept the same. (a) True (b) False
  17. 17.🔮 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
  18. 18.🔍 Which is the odd one out? (a) an ice cube (b) air (c) honey (d) a ping-pong ball
  19. 19.🔮 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
  20. 20.🍯 Which of these is less dense than water? (a) a pebble (b) very salty water (c) a glass marble (d) an ice cube
  21. 21.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a tall clear glass (c) water with food colour (d) a balloon
  22. 22.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
  23. 23.True or false: a balloon is not needed for the density tower. (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 glass is what we measure. (a) True (b) False
  25. 25.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
  26. 26.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
  27. 27.True or false: a coin is denser than water. (a) True (b) False
  28. 28.⚖️ 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 measure it (b) we change it (c) we keep it the same
  29. 29.⚖️ 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
  30. 30.True or false: very salty water is less dense than water. (a) True (b) False
  31. 31.⚖️ 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 glass (b) the same three liquids (c) how much of each liquid (d) the order of the layers
  32. 32.⚖️ 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 pouring is the one thing we change. (a) True (b) False
  33. 33.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
  34. 34.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
  35. 35.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a spoon (c) honey (d) a battery cell
  36. 36.True or false: a battery cell is needed for the density tower. (a) False (b) True
  37. 37.🧺 Do we need honey for the density tower? (a) needed (b) not needed
  38. 38.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a coin (c) air (d) an ice cube
  39. 39.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) turmeric powder (c) honey (d) a tall clear glass
  40. 40.True or false: a cork is denser than water. (a) True (b) False

Answer key

  1. True
  2. a balloon
  3. needed
  4. True
  5. not needed
  6. less dense than water
  7. cooking oil
  8. a pebble
  9. False
  10. denser than water
  11. False
  12. a tall clear glass
  13. a pebble
  14. a cork
  15. we keep it the same
  16. True
  17. they separate again
  18. honey
  19. on top of the oil
  20. an ice cube
  21. a balloon
  22. not needed
  23. True
  24. False
  25. not needed
  26. not needed
  27. True
  28. we keep it the same
  29. True
  30. False
  31. the order of the layers
  32. True
  33. denser than water
  34. denser than water
  35. a battery cell
  36. False
  37. needed
  38. a coin
  39. turmeric powder
  40. False

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