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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 846 · 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.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) more plain water (c) a little shaking (d) a few ice cubes
  2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a results table (c) small test objects (d) a tub of water
  3. 3.🔍 Which is the odd one out? (a) an iron nail (b) a ping-pong ball (c) a glass marble (d) a steel spoon
  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 keep it the same (b) we measure it (c) we change it
  5. 5.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
  6. 6.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  7. 7.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
  8. 8.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  9. 9.🔍 Which is the odd one out? (a) a ping-pong ball (b) a ball of clay (c) an ice-cream stick (d) a dry leaf
  10. 10.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a towel for spills (c) turmeric powder (d) yeast
  11. 11.⚖️ 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 change it (b) we keep it the same (c) we measure it
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a mirror (c) a battery cell (d) small test objects
  13. 13.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
  14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
  15. 15.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  16. 16.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  17. 17.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a dry leaf (c) a cork (d) a pebble
  18. 18.⚖️ 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) False (b) True
  19. 19.True or false: a piece of thermocol sinks in water. (a) True (b) False
  20. 20.⚖️ 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) whether it floats (c) the amount of clay
  21. 21.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a battery cell (c) a magnet (d) a tub of water
  22. 22.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a magnet (d) a tub of water
  24. 24.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
  25. 25.🛟 Which of these floats on water? (a) a coin (b) a cork (c) a glass marble (d) a steel spoon
  26. 26.🛟 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
  27. 27.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
  28. 28.🌊 What pushes a floating cork upward? (a) the air above (b) the tub (c) the water (d) the cork itself
  29. 29.True or false: an iron nail sinks in water. (a) True (b) False
  30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the tub of water (c) the shape of the clay (d) whether it floats
  31. 31.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  32. 32.True or false: a dry leaf sinks in water. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) a piece of thermocol (b) a ping-pong ball (c) a steel spoon (d) a dry leaf
  34. 34.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) play near a deep pond (d) leave water on the floor
  35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) yeast (c) a balloon (d) a magnet
  36. 36.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  37. 37.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) the small pebble (d) both of them
  38. 38.True or false: a ball of clay floats on water. (a) True (b) False
  39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a magnet (c) a towel for spills (d) a tub of water
  40. 40.⚖️ 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

Answer key

  1. lots of salt stirred in
  2. yeast
  3. a ping-pong ball
  4. we keep it the same
  5. False
  6. floats
  7. False
  8. needed
  9. a ball of clay
  10. a towel for spills
  11. we change it
  12. small test objects
  13. sinks
  14. we measure it
  15. not needed
  16. sinks
  17. a pebble
  18. True
  19. False
  20. the amount of clay
  21. a tub of water
  22. not needed
  23. a magnet
  24. sinks
  25. a cork
  26. to keep children safe
  27. floats
  28. the water
  29. True
  30. whether it floats
  31. needed
  32. False
  33. a steel spoon
  34. wipe up spills at once
  35. a results table
  36. not needed
  37. the big log
  38. False
  39. a magnet
  40. True

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