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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 289 · 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.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  2. 2.True or false: an ice cube floats on water. (a) False (b) True
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a mirror (d) a tub of water
  4. 4.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  5. 5.True or false: a steel spoon floats on water. (a) True (b) False
  6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the kind of clay
  7. 7.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  8. 8.🧺 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 results table (d) a tub of water
  9. 9.🛟 Which of these sinks in water? (a) a ball of clay (b) a dry leaf (c) an ice-cream stick (d) a ping-pong ball
  10. 10.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  11. 11.🛟 Which of these floats on water? (a) a cork (b) a glass marble (c) a steel spoon (d) a coin
  12. 12.True or false: a piece of thermocol floats on water. (a) False (b) True
  13. 13.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  14. 14.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  15. 15.🔍 Which is the odd one out? (a) a cork (b) a dry leaf (c) an empty capped bottle (d) a steel spoon
  16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we measure it (b) we change it (c) we keep it the same
  17. 17.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) a tub of water (d) a balloon
  18. 18.True or false: a piece of thermocol sinks in water. (a) True (b) False
  19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) small test objects (d) a balloon
  20. 20.🔍 Which is the odd one out? (a) a feather (b) a cork (c) a piece of thermocol (d) an iron nail
  21. 21.True or false: an empty capped bottle floats on water. (a) True (b) False
  22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) True (b) False
  23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) False (b) True
  24. 24.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) small test objects (c) a tub of water (d) a results table
  26. 26.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) an iron nail (d) a feather
  27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
  28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a mirror (c) a results table (d) small test objects
  29. 29.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
  30. 30.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the cork itself (d) the tub
  31. 31.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) yeast (d) a tub of water
  33. 33.🔍 Which is the odd one out? (a) a ball of clay (b) a ping-pong ball (c) a coin (d) a glass marble
  34. 34.⚖️ 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 keep it the same (b) we change it (c) we measure it
  35. 35.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
  36. 36.True or false: a feather sinks in water. (a) False (b) True
  37. 37.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  38. 38.🔍 Which is the odd one out? (a) a ball of clay (b) a coin (c) a metal key (d) a dry leaf
  39. 39.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  40. 40.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the kind of clay (c) the shape of the clay

Answer key

  1. needed
  2. True
  3. a mirror
  4. False
  5. False
  6. whether it floats
  7. not needed
  8. a magnet
  9. a ball of clay
  10. not needed
  11. a cork
  12. True
  13. needed
  14. not needed
  15. a steel spoon
  16. we keep it the same
  17. a tub of water
  18. False
  19. a balloon
  20. an iron nail
  21. True
  22. True
  23. False
  24. True
  25. a battery cell
  26. a feather
  27. True
  28. a mirror
  29. wipe up spills at once
  30. the water
  31. needed
  32. yeast
  33. a ping-pong ball
  34. we keep it the same
  35. False
  36. False
  37. floats
  38. a dry leaf
  39. floats
  40. the kind of clay

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