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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 355 · 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? Which of these is the one thing we change? (a) the tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
  2. 2.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  3. 3.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it melts (c) it turns blue (d) it sinks
  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 measure it (b) we keep it the same (c) we change it
  5. 5.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  6. 6.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a cork (c) a ball of clay (d) a ping-pong ball
  7. 7.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to win a prize (d) to keep children safe
  8. 8.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
  9. 9.⚖️ 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
  10. 10.⚖️ 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
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
  12. 12.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  13. 13.🛟 Which of these floats on water? (a) a piece of thermocol (b) a coin (c) an iron nail (d) a steel spoon
  14. 14.⚖️ 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
  15. 15.True or false: an ice-cream stick floats on water. (a) False (b) True
  16. 16.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  17. 17.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is very cold (d) ice is less dense
  18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) small test objects (c) a towel for spills (d) a tub of water
  19. 19.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  20. 20.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  21. 21.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  22. 22.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) both of them (d) the big log
  23. 23.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
  24. 24.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  25. 25.🛟 Which of these floats on water? (a) a coin (b) a glass marble (c) an empty capped bottle (d) a ball of clay
  26. 26.🔍 Which is the odd one out? (a) a dry leaf (b) an iron nail (c) a pebble (d) a coin
  27. 27.🛟 Which of these floats on water? (a) a steel spoon (b) a metal key (c) a coin (d) a feather
  28. 28.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  29. 29.🛟 Does an empty capped bottle 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? What do we do with “the tub of water”? (a) we change it (b) we measure it (c) we keep it the same
  31. 31.True or false: a feather sinks in water. (a) True (b) False
  32. 32.🧺 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 balloon (d) a towel for spills
  33. 33.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a battery cell (c) yeast (d) a mirror
  34. 34.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
  35. 35.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
  37. 37.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
  38. 38.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  39. 39.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a coin (c) a piece of thermocol (d) a pebble

Answer key

  1. the shape of the clay
  2. sinks
  3. it sinks
  4. we keep it the same
  5. sinks
  6. a ball of clay
  7. to keep children safe
  8. wipe up spills at once
  9. True
  10. False
  11. we measure it
  12. needed
  13. a piece of thermocol
  14. False
  15. True
  16. False
  17. ice is less dense
  18. a mirror
  19. True
  20. sinks
  21. not needed
  22. the big log
  23. False
  24. needed
  25. an empty capped bottle
  26. a dry leaf
  27. a feather
  28. not needed
  29. floats
  30. we keep it the same
  31. False
  32. a balloon
  33. a results table
  34. False
  35. not needed
  36. True
  37. False
  38. True
  39. True
  40. a piece of thermocol

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