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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 428 · 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.🛟 Which of these floats on water? (a) an iron nail (b) a feather (c) a steel spoon (d) a metal key
  2. 2.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  3. 3.🛟 Which of these sinks in water? (a) a coin (b) a piece of thermocol (c) a dry leaf (d) a cork
  4. 4.🔍 Which is the odd one out? (a) a ball of clay (b) a steel spoon (c) a glass marble (d) an ice cube
  5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) a results table (d) small test objects
  6. 6.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
  7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a balloon (c) a magnet (d) a mirror
  9. 9.⚖️ 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 keep it the same (c) we change it
  10. 10.🧺 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) a tub of water
  11. 11.🔍 Which is the odd one out? (a) an iron nail (b) a metal key (c) a cork (d) a ball of clay
  12. 12.🛟 Which of these floats on water? (a) an iron nail (b) a pebble (c) a steel spoon (d) a ping-pong ball
  13. 13.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to splash everyone (d) to keep children safe
  14. 14.🛟 Which of these floats on water? (a) a pebble (b) a ball of clay (c) an iron nail (d) a piece of thermocol
  15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) False (b) True
  16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a mirror (c) a tub of water (d) a magnet
  17. 17.True or false: a piece of thermocol sinks in water. (a) False (b) True
  18. 18.🌊 What pushes a floating cork upward? (a) the tub (b) the water (c) the air above (d) the cork itself
  19. 19.True or false: a tub of water is needed for the float-or-sink test. (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) whether it floats (b) the amount of clay (c) the shape of the clay
  21. 21.True or false: a steel spoon sinks in water. (a) True (b) False
  22. 22.⚖️ 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
  23. 23.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  24. 24.🛟 Which of these floats on water? (a) a pebble (b) an ice-cream stick (c) a metal key (d) a glass marble
  25. 25.⚖️ 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 kind of clay
  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 what we measure. (a) False (b) True
  27. 27.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a battery cell (d) a tub of water
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) small test objects (d) a mirror
  30. 30.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  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) both of them (d) the big log
  32. 32.🧺 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) small test objects (d) a magnet
  33. 33.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
  34. 34.⚖️ 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
  35. 35.True or false: an ice cube floats on water. (a) True (b) False
  36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a tub of water (d) a results table
  37. 37.⚖️ 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 shape of the clay (b) the amount of clay (c) the kind of clay (d) the tub of water
  38. 38.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  39. 39.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice-cream stick (c) a dry leaf (d) a pebble
  40. 40.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a metal key (c) a dry leaf (d) a ping-pong ball

Answer key

  1. a feather
  2. floats
  3. a coin
  4. an ice cube
  5. yeast
  6. True
  7. needed
  8. a results table
  9. we measure it
  10. turmeric powder
  11. a cork
  12. a ping-pong ball
  13. to keep children safe
  14. a piece of thermocol
  15. False
  16. a tub of water
  17. False
  18. the water
  19. True
  20. the amount of clay
  21. True
  22. False
  23. not needed
  24. an ice-cream stick
  25. the kind of clay
  26. False
  27. sinks
  28. a battery cell
  29. small test objects
  30. sinks
  31. the big log
  32. a magnet
  33. False
  34. True
  35. True
  36. a magnet
  37. the shape of the clay
  38. sinks
  39. a pebble
  40. a metal key

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