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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 763 · 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.⚖️ 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
  2. 2.🛟 Which of these sinks in water? (a) an ice cube (b) a ping-pong ball (c) a ball of clay (d) a cork
  3. 3.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) sea water is warm (d) it has a magnet
  4. 4.🔍 Which is the odd one out? (a) a ping-pong ball (b) an empty capped bottle (c) a piece of thermocol (d) a coin
  5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) turmeric powder
  6. 6.🛟 Which of these sinks in water? (a) a dry leaf (b) an ice-cream stick (c) a coin (d) a feather
  7. 7.True or false: a ball of clay floats on water. (a) True (b) False
  8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) True (b) False
  9. 9.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a results table (d) a mirror
  11. 11.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it can float (c) it turns to stone (d) it sinks faster
  12. 12.⚖️ 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
  13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) wipe up spills at once (d) leave water on the floor
  14. 14.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  15. 15.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) neither of them (d) the small pebble
  16. 16.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) a feather (c) a coin (d) an iron nail
  18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) yeast (c) a results table (d) a towel for spills
  19. 19.True or false: a ping-pong ball floats on water. (a) True (b) False
  20. 20.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  21. 21.🔍 Which is the odd one out? (a) a glass marble (b) an ice cube (c) a ping-pong ball (d) an empty capped bottle
  22. 22.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a tub of water (c) a battery cell (d) a balloon
  23. 23.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
  25. 25.True or false: a dry leaf sinks in water. (a) True (b) False
  26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a results table (d) a battery cell
  27. 27.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
  28. 28.True or false: an ice-cream stick sinks in water. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a steel spoon (d) a cork
  30. 30.🧺 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 results table
  31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a results table (d) a tub of water
  32. 32.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it sinks (c) it turns white (d) it dissolves
  33. 33.True or false: a cork floats on water. (a) False (b) True
  34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a results table (d) a balloon
  35. 35.True or false: a ping-pong ball sinks in water. (a) False (b) True
  36. 36.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  37. 37.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
  38. 38.⚖️ 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 shape of the clay (c) the amount of clay
  39. 39.True or false: an iron nail floats on water. (a) False (b) True
  40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) a towel for spills (d) a results table

Answer key

  1. we keep it the same
  2. a ball of clay
  3. its hollow shape
  4. a coin
  5. turmeric powder
  6. a coin
  7. False
  8. True
  9. False
  10. a mirror
  11. it can float
  12. True
  13. wipe up spills at once
  14. floats
  15. the big log
  16. not needed
  17. a feather
  18. yeast
  19. True
  20. not needed
  21. a glass marble
  22. a tub of water
  23. needed
  24. False
  25. False
  26. a battery cell
  27. False
  28. False
  29. a cork
  30. a magnet
  31. a mirror
  32. it still floats
  33. True
  34. a balloon
  35. False
  36. floats
  37. True
  38. the amount of clay
  39. False
  40. a balloon

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