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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 631 · 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: a balloon is not needed for the float-or-sink test. (a) False (b) True
  2. 2.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
  3. 3.🛟 Which of these sinks in water? (a) an ice cube (b) an ice-cream stick (c) a piece of thermocol (d) a steel spoon
  4. 4.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) neither of them (d) both of them
  5. 5.⚖️ 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
  6. 6.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a battery cell (d) small test objects
  10. 10.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  11. 11.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a battery cell (d) small test objects
  12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a tub of water (d) a results table
  13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) wipe up spills at once (d) run around the tub
  14. 14.⚖️ 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) True (b) False
  15. 15.⚖️ 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
  16. 16.True or false: a ping-pong ball floats on water. (a) False (b) True
  17. 17.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) a little shaking (d) lots of salt stirred in
  18. 18.True or false: a ping-pong ball sinks in water. (a) True (b) False
  19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) False (b) True
  20. 20.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to splash everyone (d) to win a prize
  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 keep it the same (c) we change it
  22. 22.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  23. 23.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
  24. 24.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) its hollow shape (d) it has a magnet
  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 the one thing we change? (a) the kind of clay (b) the shape of the clay (c) whether it floats (d) the amount of clay
  27. 27.⚖️ 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
  28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) a magnet (d) a tub of water
  29. 29.🛟 Which of these floats on water? (a) a steel spoon (b) an ice cube (c) a pebble (d) a ball of clay
  30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) yeast (c) small test objects (d) a tub of water
  31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
  32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a results table (d) a tub of water
  33. 33.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  34. 34.🛟 Which of these floats on water? (a) a metal key (b) a steel spoon (c) a pebble (d) a feather
  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 results table (d) a balloon
  36. 36.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  37. 37.🛟 Which of these sinks in water? (a) a feather (b) a glass marble (c) an ice-cream stick (d) an empty capped bottle
  38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the amount of clay (c) the kind of clay (d) whether it floats
  39. 39.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
  40. 40.True or false: a dry leaf floats on water. (a) True (b) False

Answer key

  1. True
  2. True
  3. a steel spoon
  4. the big log
  5. True
  6. False
  7. True
  8. floats
  9. a battery cell
  10. not needed
  11. small test objects
  12. a mirror
  13. wipe up spills at once
  14. True
  15. True
  16. True
  17. lots of salt stirred in
  18. False
  19. False
  20. to keep children safe
  21. we keep it the same
  22. False
  23. True
  24. its hollow shape
  25. not needed
  26. the shape of the clay
  27. we keep it the same
  28. a tub of water
  29. an ice cube
  30. yeast
  31. False
  32. a magnet
  33. floats
  34. a feather
  35. a balloon
  36. needed
  37. a glass marble
  38. whether it floats
  39. False
  40. True

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