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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 489 · 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 results table is needed for the float-or-sink test. (a) False (b) True
  2. 2.True or false: a coin floats on water. (a) True (b) False
  3. 3.🛟 Which of these floats on water? (a) a pebble (b) a ball of clay (c) a dry leaf (d) an iron nail
  4. 4.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  5. 5.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  6. 6.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is less dense (d) ice is magnetic
  7. 7.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a ball of clay (d) a feather
  8. 8.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it turns to stone (c) it can float (d) it dissolves
  9. 9.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  10. 10.⚖️ 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
  11. 11.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) a glass marble (d) an ice cube
  12. 12.⚖️ 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
  13. 13.⚖️ 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 change it (c) we keep it the same
  14. 14.True or false: an ice-cream stick floats on water. (a) False (b) True
  15. 15.🧺 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) small test objects (d) a battery cell
  16. 16.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  17. 17.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  18. 18.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  19. 19.🛟 Which of these floats on water? (a) a steel spoon (b) a pebble (c) an iron nail (d) a piece of thermocol
  20. 20.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
  21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
  22. 22.⚖️ 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
  23. 23.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a mirror (d) a towel for spills
  24. 24.⚖️ 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 kind of clay (c) whether it floats (d) the shape of the clay
  25. 25.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  26. 26.🛟 Which of these floats on water? (a) a ball of clay (b) a pebble (c) an ice-cream stick (d) a steel spoon
  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) True (b) False
  28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a towel for spills (d) yeast
  29. 29.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it turns blue (c) it sinks (d) it floats higher
  30. 30.True or false: an ice cube sinks in water. (a) True (b) False
  31. 31.True or false: a glass marble floats on water. (a) True (b) False
  32. 32.🧺 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 mirror
  33. 33.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the tub (d) the cork itself
  34. 34.🔍 Which is the odd one out? (a) a ball of clay (b) a pebble (c) an empty capped bottle (d) a coin
  35. 35.True or false: a ball of clay floats on water. (a) True (b) False
  36. 36.🛟 Which of these floats on water? (a) a feather (b) a steel spoon (c) a ball of clay (d) a glass marble
  37. 37.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to hide the corks (d) to win a prize
  38. 38.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) turmeric powder (c) a battery cell (d) a towel for spills
  39. 39.True or false: a cork sinks in water. (a) False (b) True
  40. 40.🛟 Which of these sinks in water? (a) a cork (b) an empty capped bottle (c) an ice cube (d) a ball of clay

Answer key

  1. True
  2. False
  3. a dry leaf
  4. False
  5. needed
  6. ice is less dense
  7. a feather
  8. it can float
  9. not needed
  10. True
  11. a glass marble
  12. False
  13. we keep it the same
  14. True
  15. a battery cell
  16. not needed
  17. needed
  18. sinks
  19. a piece of thermocol
  20. False
  21. False
  22. the amount of clay
  23. a mirror
  24. the shape of the clay
  25. floats
  26. an ice-cream stick
  27. True
  28. yeast
  29. it sinks
  30. False
  31. False
  32. a mirror
  33. the water
  34. an empty capped bottle
  35. False
  36. a feather
  37. to keep children safe
  38. a towel for spills
  39. False
  40. a ball of clay

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