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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 667 · 40 questions
TalentJR

What you do (Float or sink?): 1. Fill a tub with water on a towel, with an adult nearby. 2. Guess “float” or “sink” for each object and write it in a table. 3. Gently place each object on the water and write what happens. 4. Press the sinking clay into a boat shape and try again; wipe up spills.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
  2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
  3. 3.True or false: a piece of thermocol floats on water. (a) False (b) True
  4. 4.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) a feather (d) a glass marble
  5. 5.True or false: a dry leaf sinks in water. (a) False (b) True
  6. 6.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) yeast
  8. 8.True or false: a cork floats on water. (a) False (b) True
  9. 9.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
  10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a towel for spills (d) a tub of water
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
  12. 12.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
  13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) whether it floats (c) the amount of clay (d) the shape of the clay
  14. 14.🔍 Which is the odd one out? (a) an empty capped bottle (b) a feather (c) an ice cube (d) an iron nail
  15. 15.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  16. 16.🛟 Which of these sinks in water? (a) an ice cube (b) a dry leaf (c) a pebble (d) a ping-pong ball
  17. 17.True or false: a metal key floats on water. (a) False (b) True
  18. 18.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) sea water is warm (d) its hollow shape
  19. 19.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  20. 20.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  21. 21.🛟 Which of these sinks in water? (a) a ball of clay (b) a piece of thermocol (c) a ping-pong ball (d) an ice-cream stick
  22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a magnet (d) a tub of water
  23. 23.True or false: a feather sinks in water. (a) True (b) False
  24. 24.True or false: an ice-cream stick sinks in water. (a) True (b) False
  25. 25.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  26. 26.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  27. 27.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
  28. 28.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
  29. 29.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  30. 30.True or false: an ice-cream stick floats on water. (a) True (b) False
  31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
  33. 33.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  34. 34.🔍 Which is the odd one out? (a) a piece of thermocol (b) a steel spoon (c) a ball of clay (d) a coin
  35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) the amount of clay (b) the tub of water (c) the shape of the clay (d) the kind of clay
  36. 36.🛟 Which of these floats on water? (a) a ball of clay (b) an iron nail (c) a metal key (d) a ping-pong ball
  37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a towel for spills (c) a tub of water (d) small test objects
  39. 39.🔍 Which is the odd one out? (a) an ice cube (b) a metal key (c) an ice-cream stick (d) a dry leaf
  40. 40.True or false: yeast is needed for the float-or-sink test. (a) True (b) False

Answer key

  1. True
  2. True
  3. True
  4. a feather
  5. False
  6. True
  7. yeast
  8. True
  9. wipe up spills at once
  10. turmeric powder
  11. we measure it
  12. floats
  13. whether it floats
  14. an iron nail
  15. False
  16. a pebble
  17. False
  18. its hollow shape
  19. True
  20. not needed
  21. a ball of clay
  22. a magnet
  23. False
  24. False
  25. True
  26. needed
  27. sinks
  28. False
  29. needed
  30. True
  31. False
  32. False
  33. floats
  34. a piece of thermocol
  35. the shape of the clay
  36. a ping-pong ball
  37. we keep it the same
  38. a magnet
  39. a metal key
  40. False

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