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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 886 · 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.⚖️ 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
  2. 2.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  3. 3.⚖️ 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
  4. 4.⚖️ 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 change it (c) we measure it
  5. 5.⚖️ 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
  6. 6.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
  7. 7.True or false: a piece of thermocol sinks in water. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) a piece of thermocol (b) an empty capped bottle (c) a ball of clay (d) a dry leaf
  9. 9.🧺 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 tub of water (d) a battery cell
  10. 10.🔍 Which is the odd one out? (a) a ping-pong ball (b) a glass marble (c) an empty capped bottle (d) a piece of thermocol
  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) the tub of water (b) the amount of clay (c) the kind of clay (d) the shape of the clay
  12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it dissolves (d) it floats
  13. 13.⚖️ 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
  14. 14.True or false: a coin floats on water. (a) True (b) False
  15. 15.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
  16. 16.True or false: a feather sinks in water. (a) True (b) False
  17. 17.🧺 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) a magnet (d) small test objects
  18. 18.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a tub of water (c) a towel for spills (d) small test objects
  20. 20.🛟 Which of these sinks in water? (a) a feather (b) a coin (c) an ice-cream stick (d) an ice cube
  21. 21.⚖️ 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) True (b) False
  22. 22.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is magnetic (c) ice is very cold (d) water is sticky
  23. 23.⚖️ 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 measure it (b) we keep it the same (c) we change it
  24. 24.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  25. 25.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a battery cell (c) a magnet (d) yeast
  26. 26.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) small test objects (c) a tub of water (d) a towel for spills
  28. 28.🛟 Which of these floats on water? (a) an iron nail (b) a ping-pong ball (c) a ball of clay (d) a coin
  29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) a tub of water (d) small test objects
  30. 30.🛟 Which of these floats on water? (a) a metal key (b) a steel spoon (c) a feather (d) a pebble
  31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a balloon (d) a towel for spills
  32. 32.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  33. 33.🔍 Which is the odd one out? (a) a piece of thermocol (b) a steel spoon (c) a coin (d) a glass marble
  34. 34.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) neither of them (d) the small pebble
  35. 35.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) a ping-pong ball (d) a coin
  36. 36.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  37. 37.⚖️ 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 shape of the clay (d) the kind of clay
  38. 38.⚖️ 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
  39. 39.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  40. 40.🔮 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

Answer key

  1. we change it
  2. False
  3. True
  4. we measure it
  5. False
  6. False
  7. False
  8. a ball of clay
  9. a battery cell
  10. a glass marble
  11. the shape of the clay
  12. it sinks
  13. True
  14. False
  15. sinks
  16. False
  17. a magnet
  18. not needed
  19. yeast
  20. a coin
  21. False
  22. ice is less dense
  23. we keep it the same
  24. not needed
  25. small test objects
  26. not needed
  27. a balloon
  28. a ping-pong ball
  29. a magnet
  30. a feather
  31. a balloon
  32. sinks
  33. a piece of thermocol
  34. the big log
  35. a coin
  36. floats
  37. whether it floats
  38. False
  39. needed
  40. it sinks

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