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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 892 · 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 the one thing we change? (a) the tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
  2. 2.🔮 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 turns to stone (d) it dissolves
  3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a results table (c) a battery cell (d) yeast
  4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a towel for spills (c) small test objects (d) a tub of water
  5. 5.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  6. 6.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it floats higher (c) it melts (d) it sinks
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) the tub of water (c) whether it floats (d) the shape of the clay
  8. 8.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) an iron nail (d) an empty capped bottle
  9. 9.⚖️ 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
  10. 10.🛟 Which of these sinks in water? (a) a glass marble (b) an ice-cream stick (c) an ice cube (d) a piece of thermocol
  11. 11.True or false: a feather sinks in water. (a) False (b) True
  12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it sinks (c) it floats (d) it bounces up
  13. 13.True or false: an ice-cream stick sinks in water. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) an ice cube (b) a ball of clay (c) an empty capped bottle (d) a dry leaf
  15. 15.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a results table (d) a battery cell
  17. 17.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  18. 18.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a magnet (d) turmeric powder
  19. 19.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  20. 20.🔍 Which is the odd one out? (a) a dry leaf (b) a ping-pong ball (c) an empty capped bottle (d) a coin
  21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) turmeric powder (c) a tub of water (d) a towel for spills
  22. 22.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a piece of thermocol (d) a glass marble
  23. 23.🔍 Which is the odd one out? (a) a metal key (b) a piece of thermocol (c) an ice cube (d) a cork
  24. 24.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
  25. 25.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
  26. 26.True or false: a steel spoon floats on water. (a) True (b) False
  27. 27.True or false: a dry leaf sinks in water. (a) True (b) False
  28. 28.🛟 Which of these floats on water? (a) a dry leaf (b) a coin (c) a metal key (d) a steel spoon
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) turmeric powder (d) a tub of water
  30. 30.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
  31. 31.🛟 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
  32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a balloon (d) turmeric powder
  33. 33.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
  34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a results table (d) a magnet
  35. 35.⚖️ 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
  36. 36.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  37. 37.True or false: an ice cube sinks in water. (a) False (b) True
  38. 38.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it dissolves (c) it sinks (d) it still floats
  39. 39.True or false: a cork floats on water. (a) False (b) True
  40. 40.🛟 Does a cork float or sink in water? (a) sinks (b) floats

Answer key

  1. the shape of the clay
  2. it can float
  3. a results table
  4. yeast
  5. floats
  6. it sinks
  7. whether it floats
  8. an iron nail
  9. we keep it the same
  10. a glass marble
  11. False
  12. it sinks
  13. False
  14. a ball of clay
  15. not needed
  16. a battery cell
  17. False
  18. a towel for spills
  19. not needed
  20. a coin
  21. turmeric powder
  22. a piece of thermocol
  23. a metal key
  24. True
  25. the water
  26. False
  27. False
  28. a dry leaf
  29. a tub of water
  30. False
  31. wipe up spills at once
  32. small test objects
  33. False
  34. a magnet
  35. False
  36. sinks
  37. False
  38. it still floats
  39. True
  40. floats

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