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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 696 · 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.True or false: a ping-pong ball floats on water. (a) True (b) False
  2. 2.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) sea water is warm (d) steel is very light
  3. 3.🛟 Does a feather float or sink in water? (a) floats (b) sinks
  4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
  5. 5.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) turmeric powder (d) a tub of water
  7. 7.🧺 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) a battery cell
  8. 8.⚖️ 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 kind of clay (b) whether it floats (c) the amount of clay (d) the shape of the clay
  9. 9.⚖️ 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) True (b) False
  10. 10.🛟 Which of these floats on water? (a) an ice-cream stick (b) a coin (c) a glass marble (d) a metal key
  11. 11.🧺 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
  12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
  13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a results table (d) a mirror
  14. 14.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
  15. 15.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a cork (c) an ice cube (d) a metal key
  16. 16.🔍 Which is the odd one out? (a) an ice-cream stick (b) an empty capped bottle (c) a ping-pong ball (d) a metal key
  17. 17.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it dissolves (d) it sinks
  18. 18.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  19. 19.True or false: an empty capped bottle floats on water. (a) False (b) True
  20. 20.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  21. 21.🛟 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
  22. 22.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it sinks (d) it still floats
  23. 23.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  24. 24.⚖️ 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
  25. 25.⚖️ 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 change it (b) we keep it the same (c) we measure it
  26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a magnet (d) a towel for spills
  27. 27.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) neither of them (d) the small pebble
  28. 28.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a tub of water (d) a battery cell
  30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) whether it floats (c) the shape of the clay (d) the amount of clay
  31. 31.⚖️ 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
  32. 32.⚖️ 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 tub of water
  33. 33.🔍 Which is the odd one out? (a) an iron nail (b) a glass marble (c) a cork (d) a metal key
  34. 34.⚖️ 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
  35. 35.🛟 Which of these floats on water? (a) a coin (b) an ice cube (c) a glass marble (d) a metal key
  36. 36.🔍 Which is the odd one out? (a) an ice-cream stick (b) a coin (c) a piece of thermocol (d) an empty capped bottle
  37. 37.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) an ice cube (b) a cork (c) an ice-cream stick (d) a steel spoon
  40. 40.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False

Answer key

  1. True
  2. its hollow shape
  3. floats
  4. False
  5. True
  6. turmeric powder
  7. a battery cell
  8. the shape of the clay
  9. True
  10. an ice-cream stick
  11. a balloon
  12. we measure it
  13. a mirror
  14. not needed
  15. a metal key
  16. a metal key
  17. it sinks
  18. False
  19. True
  20. not needed
  21. wipe up spills at once
  22. it still floats
  23. sinks
  24. False
  25. we keep it the same
  26. a magnet
  27. the big log
  28. floats
  29. a tub of water
  30. whether it floats
  31. we keep it the same
  32. the tub of water
  33. a cork
  34. we change it
  35. an ice cube
  36. a coin
  37. needed
  38. False
  39. a steel spoon
  40. True

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