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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 988 · 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 glass marble sinks in water. (a) False (b) True
  2. 2.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to win a prize (d) to keep children safe
  3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a balloon (d) a towel for spills
  4. 4.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) play near a deep pond (d) wipe up spills at once
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) turmeric powder (d) small test objects
  6. 6.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
  7. 7.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
  8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the kind of clay (c) the shape of the clay (d) the amount of clay
  9. 9.🧺 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) a towel for spills (d) a magnet
  10. 10.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) True (b) False
  12. 12.🛟 Which of these sinks in water? (a) a ping-pong ball (b) an empty capped bottle (c) a dry leaf (d) a ball of clay
  13. 13.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we change it (b) we measure it (c) we keep it the same
  15. 15.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
  16. 16.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
  17. 17.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it dissolves (d) it can float
  18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we measure it (b) we keep it the same (c) we change it
  19. 19.🛟 Which of these floats on water? (a) an ice-cream stick (b) an iron nail (c) a metal key (d) a steel spoon
  20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a towel for spills (d) a battery cell
  21. 21.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  22. 22.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) it has a magnet (d) steel is very light
  23. 23.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) a ball of clay (d) an empty capped bottle
  24. 24.True or false: an ice-cream stick floats on water. (a) False (b) True
  25. 25.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a towel for spills (c) small test objects (d) a tub of water
  27. 27.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  28. 28.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) a magnet (d) a tub of water
  30. 30.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  31. 31.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the water (d) the tub
  32. 32.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a metal key (d) a dry leaf
  33. 33.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
  34. 34.True or false: a ping-pong ball floats on water. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) an iron nail (b) a feather (c) an ice cube (d) a piece of thermocol
  36. 36.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
  37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a results table (d) a mirror
  38. 38.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  39. 39.🛟 Does a glass marble 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? What do we do with “the amount of clay”? (a) we change it (b) we keep it the same (c) we measure it

Answer key

  1. True
  2. to keep children safe
  3. a balloon
  4. wipe up spills at once
  5. small test objects
  6. not needed
  7. floats
  8. the shape of the clay
  9. a magnet
  10. floats
  11. False
  12. a ball of clay
  13. True
  14. we keep it the same
  15. False
  16. True
  17. it can float
  18. we change it
  19. an ice-cream stick
  20. a battery cell
  21. False
  22. its hollow shape
  23. a ball of clay
  24. True
  25. False
  26. a magnet
  27. False
  28. False
  29. a tub of water
  30. sinks
  31. the water
  32. a metal key
  33. sinks
  34. True
  35. an iron nail
  36. sinks
  37. a mirror
  38. True
  39. sinks
  40. we keep it the same

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