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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 29 · 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.

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  1. 1.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) both of them (c) neither of them (d) the big log
  2. 2.⚖️ 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
  3. 3.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it floats higher (c) it melts (d) it turns blue
  4. 4.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  5. 5.True or false: a pebble floats on water. (a) True (b) False
  6. 6.⚖️ 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
  7. 7.True or false: a metal key floats on water. (a) True (b) False
  8. 8.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  9. 9.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a towel for spills (d) a magnet
  11. 11.⚖️ 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 keep it the same (b) we change it (c) we measure it
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a balloon (d) a magnet
  13. 13.True or false: a ping-pong ball floats on water. (a) False (b) True
  14. 14.🛟 Which of these sinks in water? (a) a dry leaf (b) a glass marble (c) an ice-cream stick (d) a feather
  15. 15.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to splash everyone (d) to win a prize
  16. 16.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  17. 17.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
  18. 18.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  19. 19.True or false: a ball of clay floats on water. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) a coin (b) a ping-pong ball (c) a feather (d) a cork
  21. 21.🛟 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
  22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a towel for spills (d) a tub of water
  23. 23.🛟 Which of these sinks in water? (a) a cork (b) an ice-cream stick (c) a metal key (d) a dry leaf
  24. 24.True or false: a feather floats on water. (a) False (b) True
  25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a battery cell (c) a results table (d) a tub of water
  26. 26.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a towel for spills (c) a tub of water (d) small test objects
  28. 28.⚖️ 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) False (b) True
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) turmeric powder (c) small test objects (d) yeast
  30. 30.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  31. 31.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a tub of water (d) a mirror
  32. 32.🧺 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) a mirror (d) small test objects
  33. 33.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  34. 34.True or false: a glass marble sinks in water. (a) False (b) True
  35. 35.⚖️ 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
  36. 36.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the amount of clay (c) whether it floats (d) the shape of the clay
  38. 38.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) a ping-pong ball (b) a coin (c) a ball of clay (d) a pebble
  40. 40.🧺 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) a battery cell (d) small test objects

Answer key

  1. the big log
  2. we change it
  3. it sinks
  4. floats
  5. False
  6. True
  7. False
  8. True
  9. True
  10. a magnet
  11. we keep it the same
  12. a towel for spills
  13. True
  14. a glass marble
  15. to keep children safe
  16. True
  17. False
  18. True
  19. False
  20. a coin
  21. wipe up spills at once
  22. a mirror
  23. a metal key
  24. True
  25. a battery cell
  26. False
  27. turmeric powder
  28. False
  29. small test objects
  30. sinks
  31. a tub of water
  32. a mirror
  33. not needed
  34. True
  35. True
  36. sinks
  37. whether it floats
  38. False
  39. a ping-pong ball
  40. a battery cell

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