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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 562 · 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? True or false: the amount of clay is kept the same. (a) False (b) True
  2. 2.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a battery cell (d) small test objects
  3. 3.True or false: an ice-cream stick floats on water. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a towel for spills (d) a tub of water
  5. 5.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) play near a deep pond (d) run around the tub
  6. 6.⚖️ 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) the kind of clay (c) the amount of clay (d) the shape of the clay
  7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) turmeric powder (d) small test objects
  8. 8.🛟 Which of these sinks in water? (a) a metal key (b) a ping-pong ball (c) a piece of thermocol (d) a feather
  9. 9.True or false: a feather sinks in water. (a) False (b) True
  10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
  11. 11.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) yeast (d) a mirror
  12. 12.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the air above (d) the tub
  13. 13.⚖️ 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) whether it floats (c) the kind of clay (d) the amount of clay
  14. 14.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
  15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a magnet (c) a results table (d) a tub of water
  16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) a ball of clay (c) an ice cube (d) an iron nail
  17. 17.🛟 Which of these sinks in water? (a) a feather (b) a ping-pong ball (c) a glass marble (d) an ice cube
  18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
  19. 19.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it turns to stone (c) it can float (d) it dissolves
  20. 20.🛟 Which of these floats on water? (a) an iron nail (b) a metal key (c) a steel spoon (d) a cork
  21. 21.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a balloon (c) a tub of water (d) yeast
  22. 22.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
  23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a balloon (d) a tub of water
  24. 24.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it turns blue (d) it floats higher
  25. 25.🧺 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) a mirror (d) small test objects
  26. 26.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) an empty capped bottle (d) a coin
  27. 27.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
  28. 28.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it still floats (d) it sinks
  29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a battery cell (c) a results table (d) a towel for spills
  30. 30.🔍 Which is the odd one out? (a) a piece of thermocol (b) a metal key (c) an iron nail (d) a pebble
  31. 31.🧺 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) a results table (d) a battery cell
  32. 32.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  33. 33.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  34. 34.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  35. 35.⚖️ 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
  36. 36.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  37. 37.True or false: a tub of water 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.🚢 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
  40. 40.⚖️ 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

Answer key

  1. True
  2. small test objects
  3. True
  4. a magnet
  5. wipe up spills at once
  6. the shape of the clay
  7. turmeric powder
  8. a metal key
  9. False
  10. True
  11. a towel for spills
  12. the water
  13. whether it floats
  14. True
  15. a magnet
  16. an ice cube
  17. a glass marble
  18. False
  19. it can float
  20. a cork
  21. a tub of water
  22. True
  23. a balloon
  24. it sinks
  25. a mirror
  26. an empty capped bottle
  27. False
  28. it still floats
  29. a battery cell
  30. a piece of thermocol
  31. a battery cell
  32. not needed
  33. not needed
  34. needed
  35. True
  36. True
  37. False
  38. True
  39. its hollow shape
  40. False

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