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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 989 · 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.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a towel for spills (d) a battery cell
  2. 2.🧺 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 magnet
  3. 3.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  4. 4.True or false: a dry leaf floats on water. (a) True (b) False
  5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a towel for spills (d) a results table
  6. 6.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) small test objects (c) turmeric powder (d) yeast
  7. 7.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  8. 8.⚖️ 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) True (b) False
  9. 9.⚖️ 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 measure it (b) we keep it the same (c) we change it
  10. 10.True or false: a ball of clay floats on water. (a) True (b) False
  11. 11.⚖️ 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) True (b) False
  12. 12.🧺 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 results table (d) a tub of water
  13. 13.🧺 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) yeast (d) small test objects
  14. 14.⚖️ 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
  15. 15.🔮 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
  16. 16.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  17. 17.⚖️ 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
  18. 18.🔍 Which is the odd one out? (a) a dry leaf (b) an ice cube (c) an ice-cream stick (d) a steel spoon
  19. 19.🔮 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
  20. 20.True or false: a ping-pong ball sinks in water. (a) False (b) True
  21. 21.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  22. 22.True or false: a piece of thermocol sinks in water. (a) False (b) True
  23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
  24. 24.⚖️ 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) True (b) False
  25. 25.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
  26. 26.⚖️ 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 keep it the same (c) we measure it
  27. 27.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a results table (d) a magnet
  28. 28.True or false: a feather sinks in water. (a) True (b) False
  29. 29.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) a little shaking (c) more plain water (d) lots of salt stirred in
  30. 30.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) run around the tub (d) leave water on the floor
  31. 31.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  32. 32.🌊 What pushes a floating cork upward? (a) the cork itself (b) the water (c) the air above (d) the tub
  33. 33.🛟 Which of these floats on water? (a) a ping-pong ball (b) a coin (c) a ball of clay (d) a pebble
  34. 34.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  35. 35.⚖️ 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 shape of the clay (c) the amount of clay
  36. 36.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) a feather (d) a steel spoon
  37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a mirror (c) a towel for spills (d) small test objects
  38. 38.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
  39. 39.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
  40. 40.⚖️ 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) the tub of water (c) the amount of clay (d) the shape of the clay

Answer key

  1. a towel for spills
  2. a magnet
  3. needed
  4. True
  5. a magnet
  6. small test objects
  7. floats
  8. False
  9. we change it
  10. False
  11. False
  12. turmeric powder
  13. yeast
  14. the kind of clay
  15. it can float
  16. not needed
  17. True
  18. a steel spoon
  19. it still floats
  20. False
  21. True
  22. False
  23. False
  24. False
  25. floats
  26. we keep it the same
  27. a results table
  28. False
  29. lots of salt stirred in
  30. wipe up spills at once
  31. not needed
  32. the water
  33. a ping-pong ball
  34. floats
  35. the amount of clay
  36. a feather
  37. a mirror
  38. True
  39. sinks
  40. the shape of the clay

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