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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 448 · 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: turmeric powder is needed for the float-or-sink test. (a) False (b) True
  2. 2.🛟 Which of these floats on water? (a) a cork (b) a steel spoon (c) an iron nail (d) a pebble
  3. 3.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
  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.True or false: an ice-cream stick sinks in water. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) an ice-cream stick (b) an ice cube (c) a dry leaf (d) a coin
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) False (b) True
  8. 8.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
  9. 9.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
  10. 10.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ping-pong ball (c) a feather (d) a steel spoon
  11. 11.⚖️ 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) False (b) True
  12. 12.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  13. 13.True or false: a ball of clay floats on water. (a) True (b) False
  14. 14.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) turmeric powder (c) a towel for spills (d) small test objects
  15. 15.⚖️ 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 shape of the clay (c) the tub of water
  16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a magnet (d) a towel for spills
  17. 17.⚖️ 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
  18. 18.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  19. 19.True or false: a metal key floats on water. (a) True (b) False
  20. 20.⚖️ 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
  21. 21.🔍 Which is the odd one out? (a) a ping-pong ball (b) a cork (c) an iron nail (d) a dry leaf
  22. 22.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
  23. 23.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
  24. 24.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  25. 25.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it sinks (d) it bounces up
  26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
  27. 27.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) ice is less dense (d) water is sticky
  28. 28.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a tub of water (d) a magnet
  29. 29.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a metal key (d) a ping-pong ball
  30. 30.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
  31. 31.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) the big log (d) both of them
  32. 32.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
  33. 33.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  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 sinks faster (c) it can float (d) it dissolves
  35. 35.True or false: an empty capped bottle floats on water. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) a cork (b) a metal key (c) a coin (d) a ball of clay
  37. 37.⚖️ 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 change it (b) we keep it the same (c) we measure it
  38. 38.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  39. 39.🛟 Which of these sinks in water? (a) a cork (b) a pebble (c) a dry leaf (d) a ping-pong ball
  40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) a towel for spills (d) small test objects

Answer key

  1. False
  2. a cork
  3. to keep children safe
  4. we keep it the same
  5. False
  6. a coin
  7. False
  8. floats
  9. True
  10. a steel spoon
  11. True
  12. needed
  13. False
  14. turmeric powder
  15. the tub of water
  16. a towel for spills
  17. we change it
  18. needed
  19. False
  20. True
  21. an iron nail
  22. the water
  23. True
  24. floats
  25. it sinks
  26. True
  27. ice is less dense
  28. a tub of water
  29. a ping-pong ball
  30. floats
  31. the big log
  32. False
  33. True
  34. it can float
  35. True
  36. a cork
  37. we keep it the same
  38. False
  39. a pebble
  40. turmeric powder

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