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Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 115 · 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 denser than water? (a) a cork (b) a coin (c) a ping-pong ball (d) air
  2. 2.🍯 Which of these is less dense than water? (a) a coin (b) a pebble (c) a cork (d) a glass marble
  3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a balloon (c) water with food colour (d) a tall clear glass
  4. 4.🧺 Which of these is needed for the density tower? (a) yeast (b) a magnet (c) a mirror (d) a spoon
  5. 5.🔍 Which is the odd one out? (a) air (b) cooking oil (c) honey (d) a cork
  6. 6.True or false: a cork is less dense than water. (a) True (b) False
  7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a battery cell (d) a tall clear glass
  8. 8.🔍 Which is the odd one out? (a) a coin (b) honey (c) a pebble (d) a cork
  9. 9.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the coldest (d) it is the densest
  10. 10.🧺 Which of these is needed for the density tower? (a) a battery cell (b) cooking oil (c) yeast (d) a balloon
  11. 11.⚖️ 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 order of pouring (b) the order of the layers (c) how much of each liquid (d) the same glass
  12. 12.⚖️ 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 what we measure. (a) True (b) False
  13. 13.⚖️ 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) how much of each liquid (b) the order of pouring (c) the same three liquids (d) the same glass
  14. 14.🍯 Which of these is denser than water? (a) honey (b) a cork (c) an ice cube (d) air
  15. 15.🧺 Which of these is needed for the density tower? (a) water with food colour (b) a battery cell (c) yeast (d) a balloon
  16. 16.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a tall clear glass (c) honey (d) yeast
  17. 17.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
  18. 18.🍯 Which of these is denser than water? (a) a cork (b) very salty water (c) an ice cube (d) air
  19. 19.🔍 Which is the odd one out? (a) very salty water (b) cooking oil (c) a coin (d) a pebble
  20. 20.True or false: a coin is denser than water. (a) False (b) True
  21. 21.🍯 Which of these is denser than water? (a) a cork (b) a pebble (c) a ping-pong ball (d) cooking oil
  22. 22.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
  23. 23.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) do not lick the spoon (d) pour it on the floor
  24. 24.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
  25. 25.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
  26. 26.⚖️ 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) True (b) False
  27. 27.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
  28. 28.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
  29. 29.True or false: air is less dense than water. (a) False (b) True
  30. 30.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
  31. 31.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
  32. 32.⚖️ 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 three liquids”? (a) we measure it (b) we change it (c) we keep it the same
  33. 33.🛟 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
  34. 34.True or false: water with food colour is not needed for the density tower. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) a pebble (b) very salty water (c) a coin (d) air
  36. 36.🔍 Which is the odd one out? (a) cooking oil (b) a glass marble (c) an ice cube (d) air
  37. 37.True or false: air is denser than water. (a) True (b) False
  38. 38.⚖️ 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 the one thing we change. (a) True (b) False
  39. 39.📘 What does “dense” mean? (a) very thin (b) heavy for its size (c) very hot (d) very colourful
  40. 40.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a glass marble (d) an ice cube

Answer key

  1. a coin
  2. a cork
  3. a balloon
  4. a spoon
  5. honey
  6. True
  7. a battery cell
  8. a cork
  9. it is the densest
  10. cooking oil
  11. the order of the layers
  12. False
  13. the order of pouring
  14. honey
  15. water with food colour
  16. yeast
  17. not needed
  18. very salty water
  19. cooking oil
  20. True
  21. a pebble
  22. needed
  23. do not lick the spoon
  24. denser than water
  25. less dense than water
  26. True
  27. not needed
  28. not needed
  29. True
  30. denser than water
  31. needed
  32. we keep it the same
  33. spilled oil is slippery
  34. False
  35. air
  36. a glass marble
  37. False
  38. False
  39. heavy for its size
  40. an ice cube

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