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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 552 · 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.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
  2. 2.⚖️ 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 what we measure. (a) True (b) False
  3. 3.True or false: turmeric powder is needed for the density tower. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the density tower? (a) a spoon (b) honey (c) water with food colour (d) a balloon
  5. 5.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) do not lick the spoon (c) throw the glass (d) taste each layer
  6. 6.🧺 Which of these is needed for the density tower? (a) a balloon (b) a magnet (c) a battery cell (d) water with food colour
  7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) water with food colour (c) a tall clear glass (d) a battery cell
  8. 8.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
  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 same three liquids is the one thing we change. (a) False (b) True
  10. 10.⚖️ 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) the same three liquids (b) the order of the layers (c) the order of pouring
  11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a balloon (d) water with food colour
  12. 12.True or false: an ice cube is denser than water. (a) False (b) True
  13. 13.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
  14. 14.⚖️ 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 measure it (c) we change it
  15. 15.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) bubbles of gas (c) the glass gets hot (d) three separate layers
  16. 16.True or false: yeast is not needed for the density tower. (a) False (b) True
  17. 17.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they mix for ever (c) they become solid (d) they separate again
  18. 18.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) coloured water (c) cooking oil (d) the spoon
  19. 19.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) on top of the oil (b) under the honey (c) in the water layer (d) in the honey layer
  20. 20.⚖️ 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 measure it (c) we keep it the same
  21. 21.🧺 Which of these is needed for the density tower? (a) yeast (b) a magnet (c) cooking oil (d) a battery cell
  22. 22.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) cooking oil (c) yeast (d) water with food colour
  23. 23.🧺 Which of these is needed for the density tower? (a) yeast (b) a tall clear glass (c) a magnet (d) a mirror
  24. 24.True or false: cooking oil is not needed for the density tower. (a) True (b) False
  25. 25.🛟 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
  26. 26.True or false: a glass marble is less dense than water. (a) True (b) False
  27. 27.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
  28. 28.🔍 Which is the odd one out? (a) a pebble (b) a cork (c) a coin (d) very salty water
  29. 29.True or false: a spoon is needed for the density tower. (a) False (b) True
  30. 30.⚖️ 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
  31. 31.True or false: cooking oil is needed for the density tower. (a) False (b) True
  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 kept the same. (a) False (b) True
  33. 33.True or false: cooking oil is less dense than water. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) honey (b) a ping-pong ball (c) an ice cube (d) cooking oil
  35. 35.🔍 Which is the odd one out? (a) a pebble (b) very salty water (c) a coin (d) air
  36. 36.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the oil layer (c) at the very bottom (d) in the water layer
  37. 37.True or false: a cork is less dense than water. (a) False (b) True
  38. 38.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a balloon (c) a spoon (d) a mirror
  39. 39.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the stickiest (c) it is the coldest (d) it is the densest
  40. 40.🔍 Which is the odd one out? (a) a ping-pong ball (b) a pebble (c) honey (d) a coin

Answer key

  1. denser than water
  2. True
  3. False
  4. a balloon
  5. do not lick the spoon
  6. water with food colour
  7. a battery cell
  8. not needed
  9. False
  10. the same three liquids
  11. a balloon
  12. False
  13. less dense than water
  14. we measure it
  15. three separate layers
  16. True
  17. they separate again
  18. cooking oil
  19. on top of the oil
  20. we keep it the same
  21. cooking oil
  22. yeast
  23. a tall clear glass
  24. False
  25. spilled oil is slippery
  26. False
  27. needed
  28. a cork
  29. True
  30. we change it
  31. True
  32. False
  33. True
  34. honey
  35. air
  36. at the very bottom
  37. True
  38. a spoon
  39. it is the densest
  40. a ping-pong ball

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