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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 477 · 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) a towel for spills (b) small test objects (c) turmeric powder (d) a results table
  2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the amount of clay
  3. 3.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) more plain water (c) a few ice cubes (d) lots of salt stirred in
  4. 4.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) yeast (c) turmeric powder (d) a battery cell
  5. 5.🔮 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
  6. 6.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  7. 7.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) a mirror (d) turmeric powder
  9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) small test objects (c) a towel for spills (d) a tub of water
  10. 10.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  11. 11.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  12. 12.True or false: an ice cube sinks in water. (a) False (b) True
  13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) wipe up spills at once (d) leave water on the floor
  14. 14.True or false: a coin floats on water. (a) True (b) False
  15. 15.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
  16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a mirror (d) turmeric powder
  17. 17.⚖️ 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
  18. 18.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  19. 19.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
  20. 20.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it dissolves (c) it sinks faster (d) it can float
  21. 21.⚖️ 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) True (b) False
  22. 22.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  23. 23.⚖️ 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 measure it (b) we change it (c) we keep it the same
  24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) False (b) True
  25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a tub of water (d) a magnet
  26. 26.True or false: a piece of thermocol floats on water. (a) True (b) False
  27. 27.True or false: a glass marble floats on water. (a) True (b) False
  28. 28.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
  29. 29.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a tub of water (c) small test objects (d) a towel for spills
  31. 31.⚖️ 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
  32. 32.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is magnetic (d) ice is less dense
  33. 33.🧺 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) small test objects (d) a mirror
  34. 34.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  35. 35.🧺 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) a balloon
  36. 36.⚖️ 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
  37. 37.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  38. 38.⚖️ 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) True (b) False
  39. 39.⚖️ 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
  40. 40.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a feather (c) a dry leaf (d) a glass marble

Answer key

  1. turmeric powder
  2. whether it floats
  3. lots of salt stirred in
  4. small test objects
  5. the big log
  6. floats
  7. not needed
  8. a towel for spills
  9. yeast
  10. needed
  11. needed
  12. False
  13. wipe up spills at once
  14. False
  15. True
  16. a tub of water
  17. we keep it the same
  18. False
  19. sinks
  20. it can float
  21. False
  22. floats
  23. we keep it the same
  24. False
  25. a magnet
  26. True
  27. False
  28. False
  29. False
  30. a battery cell
  31. True
  32. ice is less dense
  33. a mirror
  34. not needed
  35. a balloon
  36. we keep it the same
  37. False
  38. True
  39. False
  40. a glass marble

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