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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 256 · 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 ball of clay float or sink in water? (a) floats (b) sinks
  2. 2.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
  3. 3.⚖️ 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 keep it the same (c) we measure it
  4. 4.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to splash everyone (d) to keep children safe
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a results table (c) yeast (d) a balloon
  6. 6.🧺 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 battery cell (d) a towel for spills
  7. 7.🛟 Which of these sinks in water? (a) a pebble (b) a ping-pong ball (c) a piece of thermocol (d) a cork
  8. 8.🛟 Which of these floats on water? (a) a metal key (b) an empty capped bottle (c) a coin (d) an iron nail
  9. 9.🔍 Which is the odd one out? (a) a cork (b) a glass marble (c) an ice cube (d) a piece of thermocol
  10. 10.⚖️ 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) True (b) False
  11. 11.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) run around the tub (d) leave water on the floor
  12. 12.⚖️ 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) the shape of the clay (c) the kind of clay (d) the amount of clay
  13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) small test objects (d) a results table
  14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a balloon (d) a towel for spills
  15. 15.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  16. 16.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  17. 17.🛟 Which of these floats on water? (a) a piece of thermocol (b) a pebble (c) a coin (d) a metal key
  18. 18.⚖️ 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
  19. 19.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  20. 20.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) more plain water (c) lots of salt stirred in (d) a little shaking
  21. 21.⚖️ 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 change it (c) we keep it the same
  22. 22.⚖️ 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
  23. 23.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) both of them (d) neither of them
  24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) a balloon (d) a towel for spills
  25. 25.True or false: an ice cube floats on water. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) a pebble (b) an ice-cream stick (c) a coin (d) a metal key
  27. 27.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) small test objects (d) turmeric powder
  28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) an empty capped bottle (b) a cork (c) a piece of thermocol (d) a steel spoon
  30. 30.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  31. 31.🛟 Which of these sinks in water? (a) an ice cube (b) a dry leaf (c) a cork (d) a steel spoon
  32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) small test objects (d) a magnet
  33. 33.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an empty capped bottle (c) an ice cube (d) a metal key
  34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) turmeric powder (d) a towel for spills
  35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a tub of water (c) small test objects (d) a results table
  36. 36.🛟 Which of these floats on water? (a) an ice cube (b) a glass marble (c) a pebble (d) a coin
  37. 37.🛟 Which of these floats on water? (a) a steel spoon (b) an ice-cream stick (c) a pebble (d) a metal key
  38. 38.⚖️ 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 measure it (b) we change it (c) we keep it the same
  39. 39.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a magnet (d) a tub of water
  40. 40.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a tub of water (c) a results table (d) small test objects

Answer key

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

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