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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 77 · 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.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  2. 2.⚖️ 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 tub of water (b) the kind of clay (c) the shape of the clay (d) whether it floats
  3. 3.⚖️ 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
  4. 4.🔍 Which is the odd one out? (a) a metal key (b) a piece of thermocol (c) a coin (d) a pebble
  5. 5.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) a results table (d) a magnet
  9. 9.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  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 results table (c) small test objects (d) a balloon
  11. 11.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it can float (d) it turns to stone
  12. 12.⚖️ 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 tub of water (c) the shape of the clay
  13. 13.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  14. 14.True or false: a steel spoon sinks in water. (a) True (b) False
  15. 15.⚖️ 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) False (b) True
  16. 16.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  17. 17.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) an ice-cream stick (b) a glass marble (c) a cork (d) a feather
  19. 19.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  20. 20.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
  21. 21.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
  22. 22.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) an ice cube (d) a ball of clay
  24. 24.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  25. 25.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  26. 26.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a battery cell (d) a towel for spills
  28. 28.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to keep children safe (d) to splash everyone
  29. 29.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it melts (d) it floats higher
  30. 30.🛟 Which of these sinks in water? (a) a metal key (b) a ping-pong ball (c) a feather (d) a dry leaf
  31. 31.⚖️ 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 measure it (c) we keep it the same
  32. 32.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a balloon (d) turmeric powder
  33. 33.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  34. 34.🛟 Which of these floats on water? (a) a steel spoon (b) a metal key (c) a coin (d) an ice-cream stick
  35. 35.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) small test objects (d) a results table
  37. 37.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  38. 38.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
  40. 40.True or false: a metal key floats on water. (a) False (b) True

Answer key

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

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