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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 794 · 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 not needed for the float-or-sink test. (a) False (b) True
  2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a magnet (c) a battery cell (d) a mirror
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) a results table (d) a tub of water
  4. 4.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) it has a magnet (d) its hollow shape
  5. 5.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  6. 6.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a balloon (c) a tub of water (d) a magnet
  9. 9.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  10. 10.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it can float (c) it sinks faster (d) it turns to stone
  11. 11.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it still floats (d) it dissolves
  12. 12.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) False (b) True
  14. 14.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  15. 15.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a balloon (d) a tub of water
  16. 16.🔍 Which is the odd one out? (a) an ice cube (b) an empty capped bottle (c) a pebble (d) a ping-pong ball
  17. 17.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
  18. 18.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  19. 19.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) the small pebble (d) neither of them
  20. 20.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  21. 21.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it turns blue (d) it floats higher
  22. 22.🛟 Which of these floats on water? (a) a pebble (b) a cork (c) a metal key (d) an iron nail
  23. 23.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it sinks (d) it bounces up
  24. 24.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  25. 25.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) a metal key (d) a ping-pong ball
  26. 26.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  27. 27.⚖️ 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
  28. 28.⚖️ 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 keep it the same (b) we measure it (c) we change it
  29. 29.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) small test objects (c) a tub of water (d) a towel for spills
  31. 31.🛟 Which of these floats on water? (a) a feather (b) a coin (c) a pebble (d) a metal key
  32. 32.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  33. 33.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) small test objects (c) a tub of water (d) a results table
  35. 35.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  36. 36.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  37. 37.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  38. 38.True or false: a piece of thermocol floats on water. (a) False (b) True
  39. 39.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) turmeric powder (d) a battery cell
  40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) a towel for spills (c) a tub of water (d) a results table

Answer key

  1. False
  2. a results table
  3. a balloon
  4. its hollow shape
  5. floats
  6. False
  7. needed
  8. a tub of water
  9. not needed
  10. it can float
  11. it still floats
  12. True
  13. False
  14. floats
  15. a balloon
  16. a pebble
  17. True
  18. True
  19. the big log
  20. not needed
  21. it sinks
  22. a cork
  23. it sinks
  24. True
  25. a ping-pong ball
  26. needed
  27. False
  28. we change it
  29. needed
  30. a magnet
  31. a feather
  32. floats
  33. not needed
  34. a mirror
  35. not needed
  36. False
  37. floats
  38. True
  39. a towel for spills
  40. a battery cell

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