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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 865 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a tub of water (d) a magnet
  2. 2.⚖️ 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) the tub of water (c) whether it floats
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a mirror (c) a tub of water (d) small test objects
  4. 4.⚖️ 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 change it (c) we keep it the same
  5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
  6. 6.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to keep children safe (d) to win a prize
  7. 7.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
  8. 8.⚖️ 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
  9. 9.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
  10. 10.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a magnet (c) a results table (d) yeast
  11. 11.🛟 Which of these floats on water? (a) a coin (b) a piece of thermocol (c) a glass marble (d) an iron nail
  12. 12.⚖️ 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
  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 kind of clay (b) the tub of water (c) whether it floats (d) the shape of the clay
  14. 14.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a ball of clay (d) a cork
  15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
  16. 16.🌊 What pushes a floating cork upward? (a) the cork itself (b) the tub (c) the water (d) the air above
  17. 17.🔍 Which is the odd one out? (a) an iron nail (b) an ice-cream stick (c) a ping-pong ball (d) a piece of thermocol
  18. 18.⚖️ 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) True (b) False
  19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) a coin (d) a ping-pong ball
  21. 21.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  22. 22.🔍 Which is the odd one out? (a) a metal key (b) a ping-pong ball (c) a glass marble (d) a pebble
  23. 23.⚖️ 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) False (b) True
  24. 24.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  25. 25.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  26. 26.🛟 Which of these floats on water? (a) a metal key (b) an ice cube (c) a pebble (d) an iron nail
  27. 27.⚖️ 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
  28. 28.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a pebble (c) an ice-cream stick (d) a cork
  29. 29.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
  30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a battery cell (c) a results table (d) a tub of water
  31. 31.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  32. 32.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  33. 33.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  34. 34.⚖️ 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
  35. 35.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is less dense (d) ice is very cold
  36. 36.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) leave water on the floor (d) play near a deep pond
  37. 37.True or false: a ping-pong ball floats on water. (a) False (b) True
  38. 38.⚖️ 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
  39. 39.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  40. 40.🛟 Does a pebble float or sink in water? (a) floats (b) sinks

Answer key

  1. a magnet
  2. the tub of water
  3. a mirror
  4. we change it
  5. we keep it the same
  6. to keep children safe
  7. lots of salt stirred in
  8. True
  9. False
  10. a results table
  11. a piece of thermocol
  12. False
  13. whether it floats
  14. a cork
  15. we measure it
  16. the water
  17. an iron nail
  18. False
  19. False
  20. a coin
  21. sinks
  22. a ping-pong ball
  23. True
  24. False
  25. not needed
  26. an ice cube
  27. True
  28. a pebble
  29. sinks
  30. a battery cell
  31. not needed
  32. True
  33. needed
  34. False
  35. ice is less dense
  36. wipe up spills at once
  37. True
  38. the amount of clay
  39. True
  40. sinks

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