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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 39 · 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 mirror is not needed for the float-or-sink test. (a) False (b) True
  2. 2.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  3. 3.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a feather (d) a coin
  5. 5.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  6. 6.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a ping-pong ball (c) a cork (d) a steel spoon
  7. 7.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) a magnet (d) a balloon
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) yeast (d) a tub of water
  9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
  10. 10.⚖️ 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 change it (c) we keep it the same
  11. 11.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  12. 12.⚖️ 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) True (b) False
  13. 13.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  14. 14.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  15. 15.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
  16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) whether it floats (c) the tub of water (d) the shape of the clay
  17. 17.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) an ice-cream stick (b) a steel spoon (c) a cork (d) an ice cube
  19. 19.True or false: an ice-cream stick sinks in water. (a) False (b) True
  20. 20.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
  21. 21.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a towel for spills (c) small test objects (d) a tub of water
  23. 23.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  24. 24.🛟 Does a feather float or sink in water? (a) floats (b) sinks
  25. 25.🔍 Which is the odd one out? (a) a ball of clay (b) a metal key (c) an ice-cream stick (d) an iron nail
  26. 26.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  27. 27.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is less dense (c) water is sticky (d) ice is magnetic
  28. 28.🛟 Which of these sinks in water? (a) a metal key (b) an ice-cream stick (c) a dry leaf (d) an ice cube
  29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a magnet (d) a results table
  30. 30.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a cork (c) a coin (d) a piece of thermocol
  31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
  32. 32.🔮 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
  33. 33.True or false: a ball of clay sinks in water. (a) False (b) True
  34. 34.True or false: an ice cube sinks in water. (a) True (b) False
  35. 35.⚖️ 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 change it (b) we measure it (c) we keep it the same
  36. 36.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) sea water is warm (c) its hollow shape (d) steel is very light
  37. 37.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) leave water on the floor (d) run around the tub
  38. 38.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  39. 39.⚖️ 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
  40. 40.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False

Answer key

  1. True
  2. True
  3. False
  4. a feather
  5. False
  6. a steel spoon
  7. a towel for spills
  8. a tub of water
  9. False
  10. we keep it the same
  11. True
  12. False
  13. needed
  14. not needed
  15. sinks
  16. whether it floats
  17. True
  18. a steel spoon
  19. False
  20. the water
  21. sinks
  22. yeast
  23. True
  24. floats
  25. an ice-cream stick
  26. not needed
  27. ice is less dense
  28. a metal key
  29. a magnet
  30. a coin
  31. the amount of clay
  32. it sinks
  33. True
  34. False
  35. we change it
  36. its hollow shape
  37. wipe up spills at once
  38. sinks
  39. False
  40. True

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