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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 88 · 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: an ice-cream stick floats on water. (a) True (b) False
  2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) small test objects (d) yeast
  3. 3.🔍 Which is the odd one out? (a) an ice-cream stick (b) a feather (c) a glass marble (d) a ping-pong ball
  4. 4.⚖️ 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
  5. 5.🔍 Which is the odd one out? (a) a coin (b) a feather (c) a dry leaf (d) a cork
  6. 6.⚖️ 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) False (b) True
  7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  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) small test objects (d) a mirror
  9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) a magnet (d) a towel for spills
  10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a battery cell (c) a tub of water (d) a towel for spills
  11. 11.🧺 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) a balloon (d) a tub of water
  12. 12.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  13. 13.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ping-pong ball (c) a metal key (d) an ice cube
  14. 14.🔍 Which is the odd one out? (a) a steel spoon (b) a cork (c) a feather (d) a ping-pong ball
  15. 15.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it bounces up (c) it dissolves (d) it floats
  16. 16.⚖️ 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) True (b) False
  17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) a results table (d) small test objects
  18. 18.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  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) yeast (d) small test objects
  20. 20.True or false: a ping-pong ball sinks in water. (a) False (b) True
  21. 21.🔮 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
  22. 22.⚖️ 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) True (b) False
  23. 23.⚖️ 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
  24. 24.True or false: a steel spoon floats on water. (a) False (b) True
  25. 25.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
  26. 26.⚖️ 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
  27. 27.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  28. 28.True or false: an iron nail sinks in water. (a) False (b) True
  29. 29.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a magnet (c) yeast (d) a mirror
  31. 31.⚖️ 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) the amount of clay (d) the tub of water
  32. 32.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  33. 33.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  34. 34.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
  35. 35.True or false: a cork sinks in water. (a) True (b) False
  36. 36.🛟 Which of these floats on water? (a) an ice cube (b) an iron nail (c) a coin (d) a ball of clay
  37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) small test objects (d) a results table
  38. 38.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a magnet (d) a results table
  40. 40.🛟 Does a cork float or sink in water? (a) sinks (b) floats

Answer key

  1. True
  2. small test objects
  3. a glass marble
  4. we keep it the same
  5. a coin
  6. True
  7. needed
  8. a mirror
  9. a towel for spills
  10. a battery cell
  11. a balloon
  12. needed
  13. a metal key
  14. a steel spoon
  15. it sinks
  16. True
  17. a balloon
  18. True
  19. yeast
  20. False
  21. it still floats
  22. True
  23. False
  24. False
  25. False
  26. the amount of clay
  27. sinks
  28. True
  29. not needed
  30. a results table
  31. the shape of the clay
  32. not needed
  33. True
  34. to keep children safe
  35. False
  36. an ice cube
  37. turmeric powder
  38. False
  39. a magnet
  40. floats

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