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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 338 · 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.🧺 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) turmeric powder
  2. 2.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  3. 3.True or false: a cork sinks in water. (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) a metal key (b) a steel spoon (c) a ball of clay (d) an ice cube
  5. 5.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to splash everyone (d) to win a prize
  6. 6.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) False (b) True
  8. 8.⚖️ 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 tub of water
  9. 9.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
  10. 10.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) the big log (d) both of them
  11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the kind of clay (c) the shape of the clay (d) the amount of clay
  12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we change it (c) we measure it
  13. 13.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  14. 14.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  15. 15.🛟 Which of these floats on water? (a) a steel spoon (b) an ice-cream stick (c) a ball of clay (d) a pebble
  16. 16.⚖️ 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
  17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
  18. 18.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is less dense (d) ice is magnetic
  19. 19.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it can float (c) it dissolves (d) it turns to stone
  20. 20.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) a glass marble (d) a cork
  21. 21.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) a balloon (d) a mirror
  22. 22.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  23. 23.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) a results table (d) small test objects
  24. 24.⚖️ 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
  25. 25.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) steel is very light (d) its hollow shape
  26. 26.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
  27. 27.True or false: a piece of thermocol floats on water. (a) True (b) False
  28. 28.🧺 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 magnet (d) a results table
  29. 29.🛟 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
  30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) turmeric powder (d) a tub of water
  31. 31.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  32. 32.⚖️ 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) False (b) True
  33. 33.🛟 Which of these floats on water? (a) a pebble (b) a ball of clay (c) a coin (d) a dry leaf
  34. 34.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
  35. 35.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  36. 36.⚖️ 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 measure it (c) we keep it the same
  37. 37.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a battery cell (d) a balloon
  38. 38.⚖️ 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
  39. 39.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  40. 40.🧺 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 battery cell

Answer key

  1. turmeric powder
  2. not needed
  3. False
  4. an ice cube
  5. to keep children safe
  6. floats
  7. False
  8. the tub of water
  9. True
  10. the big log
  11. the shape of the clay
  12. we measure it
  13. True
  14. sinks
  15. an ice-cream stick
  16. we keep it the same
  17. False
  18. ice is less dense
  19. it can float
  20. a cork
  21. a tub of water
  22. floats
  23. a balloon
  24. True
  25. its hollow shape
  26. sinks
  27. True
  28. a magnet
  29. wipe up spills at once
  30. turmeric powder
  31. needed
  32. False
  33. a dry leaf
  34. floats
  35. needed
  36. we keep it the same
  37. a towel for spills
  38. True
  39. False
  40. a battery cell

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