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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 884 · 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.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  2. 2.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) the small pebble (d) neither of them
  3. 3.True or false: a cork sinks in water. (a) True (b) False
  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 change it (b) we measure it (c) we keep it the same
  5. 5.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  6. 6.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a steel spoon (c) a dry leaf (d) an ice-cream stick
  7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a magnet (c) a mirror (d) a balloon
  9. 9.True or false: a glass marble sinks in water. (a) True (b) False
  10. 10.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) turmeric powder (d) small test objects
  12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a tub of water (d) a magnet
  13. 13.True or false: a feather sinks in water. (a) False (b) True
  14. 14.🧺 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) a mirror (d) a towel for spills
  15. 15.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) small test objects (c) a balloon (d) a mirror
  16. 16.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  17. 17.🔍 Which is the odd one out? (a) a ball of clay (b) a cork (c) a metal key (d) a steel spoon
  18. 18.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) a magnet (d) turmeric powder
  19. 19.🛟 Which of these sinks in water? (a) an ice cube (b) a cork (c) a glass marble (d) a ping-pong ball
  20. 20.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  21. 21.True or false: an ice-cream stick floats on water. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) a pebble (b) a feather (c) a metal key (d) a coin
  23. 23.🛟 Which of these floats on water? (a) a coin (b) an iron nail (c) a ball of clay (d) a piece of thermocol
  24. 24.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  25. 25.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  26. 26.⚖️ 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 amount of clay (c) the shape of the clay
  27. 27.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) a little shaking (c) more plain water (d) lots of salt stirred in
  28. 28.⚖️ 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
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a towel for spills (c) a magnet (d) a mirror
  30. 30.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  31. 31.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
  32. 32.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it still floats (c) it dissolves (d) it sinks
  33. 33.True or false: a pebble sinks in water. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) an empty capped bottle (b) a feather (c) a pebble (d) an ice-cream stick
  35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a towel for spills (d) a balloon
  36. 36.⚖️ 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
  37. 37.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to splash everyone (d) to hide the corks
  38. 38.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is less dense (d) ice is very cold
  39. 39.True or false: a pebble floats on water. (a) True (b) False
  40. 40.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a cork (c) an iron nail (d) a ping-pong ball

Answer key

  1. sinks
  2. the big log
  3. False
  4. we keep it the same
  5. floats
  6. a steel spoon
  7. wipe up spills at once
  8. a results table
  9. True
  10. not needed
  11. turmeric powder
  12. a magnet
  13. False
  14. a mirror
  15. small test objects
  16. floats
  17. a cork
  18. a tub of water
  19. a glass marble
  20. sinks
  21. True
  22. a feather
  23. a piece of thermocol
  24. needed
  25. not needed
  26. the amount of clay
  27. lots of salt stirred in
  28. True
  29. a towel for spills
  30. False
  31. False
  32. it still floats
  33. True
  34. a pebble
  35. a balloon
  36. False
  37. to keep children safe
  38. ice is less dense
  39. False
  40. an iron nail

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