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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 276 · 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? Which of these is kept the same? (a) whether it floats (b) the tub of water (c) the shape of the clay
  2. 2.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a balloon (c) a magnet (d) a tub of water
  4. 4.⚖️ 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 change it (b) we measure it (c) we keep it the same
  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 amount of clay
  6. 6.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
  8. 8.🔍 Which is the odd one out? (a) a coin (b) an iron nail (c) a glass marble (d) an ice cube
  9. 9.🛟 Which of these floats on water? (a) a metal key (b) a dry leaf (c) a glass marble (d) a coin
  10. 10.True or false: a feather floats on water. (a) True (b) False
  11. 11.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
  12. 12.⚖️ 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 keep it the same (b) we change it (c) we measure it
  13. 13.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) turmeric powder (c) a results table (d) a tub of water
  15. 15.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it sinks (d) it bounces up
  16. 16.🔍 Which is the odd one out? (a) a ball of clay (b) a coin (c) an iron nail (d) an empty capped bottle
  17. 17.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a magnet (c) small test objects (d) a tub of water
  18. 18.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is very cold (d) ice is less dense
  19. 19.⚖️ 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
  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.🔍 Which is the odd one out? (a) a coin (b) a ball of clay (c) a ping-pong ball (d) a steel spoon
  22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a towel for spills (c) a results table (d) a tub of water
  23. 23.⚖️ 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
  24. 24.🔍 Which is the odd one out? (a) an ice-cream stick (b) an ice cube (c) a coin (d) a ping-pong ball
  25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) turmeric powder (d) a battery cell
  26. 26.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  27. 27.🔍 Which is the odd one out? (a) a dry leaf (b) a feather (c) a glass marble (d) a cork
  28. 28.True or false: a ping-pong ball sinks in water. (a) False (b) True
  29. 29.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it turns white (d) it sinks
  30. 30.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) steel is very light (d) sea water is warm
  31. 31.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  32. 32.True or false: an ice cube sinks in water. (a) False (b) True
  33. 33.🛟 Which of these floats on water? (a) an ice cube (b) a glass marble (c) a steel spoon (d) a metal key
  34. 34.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  35. 35.True or false: a dry leaf floats on water. (a) False (b) True
  36. 36.⚖️ 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
  37. 37.⚖️ 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
  38. 38.🛟 Which of these sinks in water? (a) a dry leaf (b) an empty capped bottle (c) a steel spoon (d) an ice-cream stick
  39. 39.⚖️ 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 kind of clay
  40. 40.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False

Answer key

  1. the tub of water
  2. True
  3. a tub of water
  4. we keep it the same
  5. whether it floats
  6. True
  7. wipe up spills at once
  8. an ice cube
  9. a dry leaf
  10. True
  11. sinks
  12. we change it
  13. needed
  14. turmeric powder
  15. it sinks
  16. an empty capped bottle
  17. a magnet
  18. ice is less dense
  19. True
  20. the amount of clay
  21. a ping-pong ball
  22. yeast
  23. True
  24. a coin
  25. a towel for spills
  26. needed
  27. a glass marble
  28. False
  29. it still floats
  30. its hollow shape
  31. needed
  32. False
  33. an ice cube
  34. False
  35. True
  36. False
  37. False
  38. a steel spoon
  39. the kind of clay
  40. False

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