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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 953 · 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.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) small test objects (d) a balloon
  2. 2.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) turmeric powder (d) a tub of water
  4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) small test objects (d) a mirror
  5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) turmeric powder (c) a tub of water (d) small test objects
  6. 6.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it turns blue (c) it floats higher (d) it sinks
  7. 7.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  8. 8.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  9. 9.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  10. 10.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the air above (d) the water
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
  12. 12.True or false: a ball of clay sinks in water. (a) True (b) False
  13. 13.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
  14. 14.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) True (b) False
  16. 16.⚖️ 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 change it (b) we measure it (c) we keep it the same
  17. 17.⚖️ 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 shape of the clay (b) the kind of clay (c) whether it floats (d) the amount of clay
  18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) the amount of clay (c) whether it floats
  19. 19.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  20. 20.🛟 Which of these floats on water? (a) a ball of clay (b) a steel spoon (c) a glass marble (d) an ice-cream stick
  21. 21.🔍 Which is the odd one out? (a) a feather (b) a ping-pong ball (c) a pebble (d) an ice cube
  22. 22.⚖️ 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
  23. 23.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  24. 24.⚖️ 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
  25. 25.True or false: an iron nail floats on water. (a) False (b) True
  26. 26.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
  27. 27.True or false: an ice cube sinks in water. (a) False (b) True
  28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) a tub of water (d) small test objects
  29. 29.🔍 Which is the odd one out? (a) a dry leaf (b) a feather (c) a metal key (d) a cork
  30. 30.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) it has a magnet (d) steel is very light
  31. 31.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  32. 32.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
  33. 33.🛟 Which of these sinks in water? (a) a feather (b) an ice-cream stick (c) an empty capped bottle (d) a steel spoon
  34. 34.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  35. 35.True or false: a pebble sinks in water. (a) True (b) False
  36. 36.🧺 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) small test objects (d) a magnet
  37. 37.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  38. 38.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  39. 39.⚖️ 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
  40. 40.True or false: an ice-cream stick floats on water. (a) True (b) False

Answer key

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

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