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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 559 · 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.⚖️ 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 keep it the same (b) we measure it (c) we change it
  2. 2.⚖️ 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 change it (c) we keep it the same
  3. 3.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) a ball of clay (b) a glass marble (c) a dry leaf (d) a pebble
  5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the tub of water (c) whether it floats (d) the kind of clay
  6. 6.🔍 Which is the odd one out? (a) a coin (b) an ice cube (c) a ball of clay (d) a glass marble
  7. 7.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  8. 8.🔍 Which is the odd one out? (a) a cork (b) a pebble (c) an ice-cream stick (d) a piece of thermocol
  9. 9.⚖️ 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
  10. 10.⚖️ 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) False (b) True
  11. 11.⚖️ 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) the kind of clay (c) whether it floats
  12. 12.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  13. 13.🛟 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
  14. 14.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) water is sticky (d) ice is less dense
  15. 15.True or false: a metal key sinks in water. (a) True (b) False
  16. 16.🧺 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) turmeric powder (d) a results table
  17. 17.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) a pebble (b) a ball of clay (c) an empty capped bottle (d) a coin
  19. 19.🧺 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
  20. 20.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) a results table (d) a balloon
  21. 21.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
  22. 22.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) 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) small test objects (c) a tub of water (d) yeast
  24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) turmeric powder (d) a tub of water
  25. 25.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  26. 26.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  27. 27.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
  28. 28.True or false: a piece of thermocol floats on water. (a) False (b) True
  29. 29.⚖️ 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
  30. 30.🛟 Which of these sinks in water? (a) a feather (b) a dry leaf (c) a cork (d) a steel spoon
  31. 31.True or false: a cork sinks in water. (a) False (b) True
  32. 32.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) play near a deep pond (d) wipe up spills at once
  33. 33.🧺 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 mirror (d) a tub of water
  34. 34.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) a feather (d) an ice cube
  35. 35.⚖️ 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
  36. 36.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  37. 37.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  38. 38.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it dissolves (c) it bounces up (d) it floats
  39. 39.⚖️ 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
  40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) yeast (c) a tub of water (d) a results table

Answer key

  1. we keep it the same
  2. we change it
  3. False
  4. a dry leaf
  5. whether it floats
  6. an ice cube
  7. not needed
  8. a pebble
  9. False
  10. True
  11. the kind of clay
  12. floats
  13. to keep children safe
  14. ice is less dense
  15. True
  16. turmeric powder
  17. False
  18. an empty capped bottle
  19. a magnet
  20. a results table
  21. False
  22. needed
  23. yeast
  24. a tub of water
  25. sinks
  26. not needed
  27. lots of salt stirred in
  28. True
  29. False
  30. a steel spoon
  31. False
  32. wipe up spills at once
  33. a mirror
  34. a metal key
  35. the amount of clay
  36. needed
  37. floats
  38. it sinks
  39. we keep it the same
  40. yeast

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