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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 89 · 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.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  2. 2.🧺 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) a results table
  3. 3.True or false: a mirror is needed for the float-or-sink test. (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 “the amount of clay”? (a) we change it (b) we keep it the same (c) we measure it
  5. 5.🧺 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
  6. 6.🧊 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
  7. 7.⚖️ 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 shape of the clay (c) the kind of clay (d) whether it floats
  8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
  9. 9.⚖️ 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 measure it (b) we keep it the same (c) we change it
  10. 10.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  11. 11.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a mirror (d) turmeric powder
  13. 13.True or false: a dry leaf floats on water. (a) True (b) False
  14. 14.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it dissolves (c) it sinks faster (d) it can float
  15. 15.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  16. 16.True or false: a coin floats on water. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) a ping-pong ball (b) a coin (c) a cork (d) an empty capped bottle
  18. 18.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) a ping-pong ball (d) a metal key
  19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a results table (d) a battery cell
  20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the kind of clay (c) the amount of clay (d) whether it floats
  21. 21.🛟 Which of these floats on water? (a) an ice-cream stick (b) a coin (c) a metal key (d) a steel spoon
  22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a balloon (d) small test objects
  23. 23.⚖️ 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) True (b) False
  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.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
  27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a towel for spills (d) turmeric powder
  28. 28.🔍 Which is the odd one out? (a) a pebble (b) an ice cube (c) a metal key (d) a ball of clay
  29. 29.True or false: an ice cube sinks in water. (a) False (b) True
  30. 30.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the small pebble (c) the big log (d) both of them
  31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) small test objects (d) a tub of water
  32. 32.⚖️ 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 change it (c) we keep it the same
  33. 33.🔍 Which is the odd one out? (a) a piece of thermocol (b) a pebble (c) an empty capped bottle (d) a dry leaf
  34. 34.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  35. 35.True or false: a ball of clay sinks in water. (a) False (b) True
  36. 36.⚖️ 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
  37. 37.True or false: a metal key floats on water. (a) False (b) True
  38. 38.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) a results table (d) a mirror
  39. 39.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it dissolves (c) it still floats (d) it turns white
  40. 40.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) yeast (d) small test objects

Answer key

  1. sinks
  2. a magnet
  3. False
  4. we keep it the same
  5. a results table
  6. ice is less dense
  7. the shape of the clay
  8. True
  9. we keep it the same
  10. True
  11. needed
  12. a towel for spills
  13. True
  14. it can float
  15. False
  16. False
  17. a coin
  18. a ping-pong ball
  19. a battery cell
  20. whether it floats
  21. an ice-cream stick
  22. a balloon
  23. False
  24. False
  25. not needed
  26. we measure it
  27. turmeric powder
  28. an ice cube
  29. False
  30. the big log
  31. yeast
  32. we keep it the same
  33. a pebble
  34. sinks
  35. True
  36. the amount of clay
  37. False
  38. a mirror
  39. it still floats
  40. yeast

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