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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 997 · 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.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  2. 2.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a tub of water (d) turmeric powder
  4. 4.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a magnet (c) a mirror (d) a towel for spills
  6. 6.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  7. 7.True or false: a steel spoon floats on water. (a) True (b) False
  8. 8.🧺 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) a balloon (d) a tub of water
  9. 9.True or false: a metal key sinks in water. (a) False (b) True
  10. 10.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the shape of the clay (c) the tub of water (d) the kind of clay
  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 the one thing we change. (a) False (b) True
  13. 13.🔮 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
  14. 14.True or false: a steel spoon sinks in water. (a) False (b) True
  15. 15.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it still floats (c) it sinks (d) it dissolves
  16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a magnet (d) a results table
  17. 17.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  18. 18.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is less dense (d) ice is very cold
  19. 19.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  20. 20.🔍 Which is the odd one out? (a) an empty capped bottle (b) a glass marble (c) a feather (d) a dry leaf
  21. 21.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  22. 22.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  23. 23.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
  24. 24.⚖️ 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 keep it the same (c) we measure it
  25. 25.🔍 Which is the odd one out? (a) a feather (b) a ping-pong ball (c) a coin (d) a cork
  26. 26.⚖️ 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
  27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) False (b) True
  28. 28.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  29. 29.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we change it (b) we keep it the same (c) we measure it
  30. 30.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
  31. 31.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  32. 32.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
  33. 33.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
  34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) False (b) True
  35. 35.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a ping-pong ball (c) a coin (d) an ice-cream stick
  36. 36.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  37. 37.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a battery cell (d) a magnet
  39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
  40. 40.🔍 Which is the odd one out? (a) a glass marble (b) a metal key (c) a pebble (d) a dry leaf

Answer key

  1. not needed
  2. sinks
  3. a tub of water
  4. False
  5. a towel for spills
  6. True
  7. False
  8. a balloon
  9. True
  10. the big log
  11. the shape of the clay
  12. True
  13. it sinks
  14. True
  15. it still floats
  16. a magnet
  17. not needed
  18. ice is less dense
  19. floats
  20. a glass marble
  21. floats
  22. sinks
  23. sinks
  24. we keep it the same
  25. a coin
  26. we keep it the same
  27. True
  28. True
  29. we keep it the same
  30. False
  31. False
  32. wipe up spills at once
  33. sinks
  34. False
  35. a coin
  36. needed
  37. False
  38. small test objects
  39. we measure it
  40. a dry leaf

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