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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 913 · 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 balloon is not needed for the float-or-sink test. (a) True (b) False
  2. 2.🧺 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) small test objects (d) a magnet
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
  4. 4.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
  5. 5.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
  6. 6.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  7. 7.⚖️ 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 tub of water (c) whether it floats (d) the kind of clay
  8. 8.🛟 Which of these sinks in water? (a) an ice cube (b) a pebble (c) a piece of thermocol (d) a cork
  9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
  10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the kind of clay (c) the shape of the clay
  11. 11.True or false: an empty capped bottle sinks in water. (a) True (b) False
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a mirror (c) a results table (d) turmeric powder
  13. 13.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) neither of them (d) the big log
  14. 14.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  15. 15.⚖️ 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 measure it (c) we keep it the same
  16. 16.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) yeast (c) a towel for spills (d) a mirror
  17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) turmeric powder (d) a results table
  18. 18.True or false: an ice-cream stick floats on water. (a) True (b) False
  19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
  20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a balloon (c) a towel for spills (d) small test objects
  21. 21.True or false: a metal key sinks in water. (a) False (b) True
  22. 22.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  23. 23.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it floats higher (c) it sinks (d) it turns blue
  24. 24.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
  25. 25.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
  26. 26.⚖️ 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 measure it (b) we keep it the same (c) we change it
  27. 27.🛟 Which of these floats on water? (a) a steel spoon (b) a ball of clay (c) a metal key (d) a feather
  28. 28.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  29. 29.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  30. 30.⚖️ 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
  31. 31.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) a pebble (d) an ice cube
  32. 32.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) a coin (d) a dry leaf
  33. 33.True or false: a ball of clay floats on water. (a) True (b) False
  34. 34.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it dissolves (d) it sinks faster
  35. 35.True or false: a piece of thermocol floats on water. (a) True (b) False
  36. 36.True or false: a dry leaf floats on water. (a) True (b) False
  37. 37.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  38. 38.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
  39. 39.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is less dense (c) ice is magnetic (d) ice is very cold
  40. 40.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True

Answer key

  1. True
  2. a magnet
  3. a balloon
  4. True
  5. floats
  6. floats
  7. whether it floats
  8. a pebble
  9. False
  10. the kind of clay
  11. False
  12. a results table
  13. the big log
  14. True
  15. we keep it the same
  16. a towel for spills
  17. turmeric powder
  18. True
  19. the tub of water
  20. a balloon
  21. True
  22. needed
  23. it sinks
  24. to keep children safe
  25. floats
  26. we change it
  27. a feather
  28. not needed
  29. floats
  30. True
  31. an ice cube
  32. a coin
  33. False
  34. it can float
  35. True
  36. True
  37. needed
  38. sinks
  39. ice is less dense
  40. True

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