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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 156 · 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 tub of water is needed for the float-or-sink test. (a) False (b) True
  2. 2.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  3. 3.⚖️ 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) False (b) True
  4. 4.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a results table (c) a battery cell (d) a mirror
  6. 6.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  7. 7.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) neither of them (d) the big log
  8. 8.True or false: an ice-cream stick floats on water. (a) False (b) True
  9. 9.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
  10. 10.🔍 Which is the odd one out? (a) a ping-pong ball (b) a feather (c) a pebble (d) an ice cube
  11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a results table (c) a towel for spills (d) a tub of water
  12. 12.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) play near a deep pond (d) leave water on the floor
  13. 13.🔍 Which is the odd one out? (a) a cork (b) a coin (c) a glass marble (d) an iron nail
  14. 14.🔍 Which is the odd one out? (a) an ice cube (b) a glass marble (c) an ice-cream stick (d) a cork
  15. 15.🛟 Which of these sinks in water? (a) a coin (b) a piece of thermocol (c) a cork (d) an empty capped bottle
  16. 16.⚖️ 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 measure it (c) we keep it the same
  17. 17.True or false: a cork floats on water. (a) False (b) True
  18. 18.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a mirror (d) small test objects
  19. 19.True or false: an iron nail sinks in water. (a) True (b) False
  20. 20.⚖️ 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 amount of clay (b) the shape of the clay (c) whether it floats (d) the tub of water
  21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) an iron nail (c) a pebble (d) an empty capped bottle
  22. 22.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) a mirror (d) a magnet
  23. 23.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a towel for spills (c) turmeric powder (d) a battery cell
  25. 25.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) it has a magnet (d) sea water is warm
  26. 26.⚖️ 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
  27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) whether it floats (c) the tub of water (d) the amount of clay
  28. 28.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  29. 29.True or false: a dry leaf sinks in water. (a) True (b) False
  30. 30.True or false: a pebble floats on water. (a) False (b) True
  31. 31.⚖️ 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 keep it the same (b) we change it (c) we measure it
  32. 32.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  33. 33.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) more plain water (d) a little shaking
  34. 34.🧺 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) turmeric powder
  35. 35.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  36. 36.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  37. 37.True or false: a ball of clay floats on water. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a glass marble (c) a feather (d) a metal key
  39. 39.🔍 Which is the odd one out? (a) a dry leaf (b) a piece of thermocol (c) a feather (d) a metal key
  40. 40.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks

Answer key

  1. True
  2. False
  3. False
  4. floats
  5. a results table
  6. sinks
  7. the big log
  8. True
  9. sinks
  10. a pebble
  11. a mirror
  12. wipe up spills at once
  13. a cork
  14. a glass marble
  15. a coin
  16. we keep it the same
  17. True
  18. small test objects
  19. True
  20. the shape of the clay
  21. an empty capped bottle
  22. a tub of water
  23. floats
  24. a towel for spills
  25. its hollow shape
  26. True
  27. whether it floats
  28. True
  29. False
  30. False
  31. we keep it the same
  32. sinks
  33. lots of salt stirred in
  34. turmeric powder
  35. not needed
  36. not needed
  37. False
  38. a feather
  39. a metal key
  40. floats

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