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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 97 · 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 feather float or sink in water? (a) sinks (b) floats
  2. 2.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) a towel for spills (d) a results table
  3. 3.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) neither of them (d) both of them
  4. 4.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a piece of thermocol (c) a dry leaf (d) a steel spoon
  5. 5.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) a piece of thermocol (d) a glass marble
  6. 6.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
  7. 7.🧺 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 balloon (d) small test objects
  8. 8.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a results table (c) a towel for spills (d) small test objects
  9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) an iron nail (c) a coin (d) a ping-pong ball
  10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a towel for spills (c) a tub of water (d) a balloon
  11. 11.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  12. 12.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a cork (d) a pebble
  13. 13.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  14. 14.⚖️ 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 measure it (b) we keep it the same (c) we change it
  15. 15.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) steel is very light (d) it has a magnet
  16. 16.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  17. 17.🛟 Which of these sinks in water? (a) a metal key (b) a cork (c) a feather (d) an ice cube
  18. 18.🧺 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) turmeric powder
  19. 19.🛟 Which of these sinks in water? (a) an iron nail (b) a cork (c) a dry leaf (d) an ice cube
  20. 20.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
  21. 21.🔍 Which is the odd one out? (a) an ice cube (b) a feather (c) an ice-cream stick (d) a pebble
  22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we keep it the same (c) we change it
  23. 23.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  24. 24.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) play near a deep pond (d) leave water on the floor
  25. 25.True or false: an ice cube floats on water. (a) True (b) False
  26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
  27. 27.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a towel for spills (d) a battery cell
  28. 28.⚖️ 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 amount of clay (c) the shape of the clay (d) the kind of clay
  29. 29.⚖️ 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
  30. 30.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
  31. 31.True or false: a metal key floats on water. (a) True (b) False
  32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a tub of water (d) yeast
  33. 33.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  34. 34.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
  35. 35.True or false: an iron nail floats on water. (a) False (b) True
  36. 36.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  37. 37.🔍 Which is the odd one out? (a) a ball of clay (b) a pebble (c) a metal key (d) a piece of thermocol
  38. 38.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  39. 39.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
  40. 40.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats

Answer key

  1. floats
  2. turmeric powder
  3. the big log
  4. a steel spoon
  5. a glass marble
  6. it sinks
  7. a balloon
  8. a battery cell
  9. a ping-pong ball
  10. a balloon
  11. not needed
  12. a cork
  13. needed
  14. we keep it the same
  15. its hollow shape
  16. not needed
  17. a metal key
  18. turmeric powder
  19. an iron nail
  20. lots of salt stirred in
  21. a pebble
  22. we measure it
  23. needed
  24. wipe up spills at once
  25. True
  26. True
  27. a towel for spills
  28. the shape of the clay
  29. True
  30. False
  31. False
  32. a tub of water
  33. sinks
  34. False
  35. False
  36. floats
  37. a piece of thermocol
  38. True
  39. True
  40. floats

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