← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 291 · 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 balloon (b) a tub of water (c) a results table (d) a towel for spills
  2. 2.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a feather (c) a ball of clay (d) a dry leaf
  3. 3.⚖️ 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
  4. 4.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  5. 5.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  6. 6.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a tub of water (d) a mirror
  8. 8.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
  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 change it (b) we measure it (c) we keep it the same
  10. 10.🔍 Which is the odd one out? (a) a coin (b) a piece of thermocol (c) a glass marble (d) a steel spoon
  11. 11.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  12. 12.⚖️ 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) False (b) True
  13. 13.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) yeast (d) a magnet
  14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
  15. 15.⚖️ 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 keep it the same (b) we measure it (c) we change it
  16. 16.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  17. 17.⚖️ 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) False (b) True
  18. 18.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it dissolves (d) it turns white
  19. 19.🧺 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
  20. 20.True or false: a cork floats on water. (a) True (b) False
  21. 21.⚖️ 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 amount of clay (c) whether it floats
  22. 22.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  23. 23.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  24. 24.🔍 Which is the odd one out? (a) an iron nail (b) a ping-pong ball (c) a ball of clay (d) a steel spoon
  25. 25.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  26. 26.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  27. 27.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a piece of thermocol (b) a steel spoon (c) an ice cube (d) a ping-pong ball
  29. 29.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) play near a deep pond (d) leave water on the floor
  30. 30.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a pebble (c) an empty capped bottle (d) a cork
  31. 31.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
  32. 32.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an ice-cream stick (c) an iron nail (d) an ice cube
  33. 33.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
  34. 34.True or false: a coin sinks in water. (a) False (b) True
  35. 35.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
  36. 36.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  37. 37.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  38. 38.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a towel for spills (c) small test objects (d) a tub of water
  40. 40.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) yeast (d) a balloon

Answer key

  1. a balloon
  2. a ball of clay
  3. False
  4. not needed
  5. False
  6. needed
  7. a mirror
  8. False
  9. we change it
  10. a piece of thermocol
  11. floats
  12. False
  13. a tub of water
  14. False
  15. we keep it the same
  16. floats
  17. False
  18. it still floats
  19. yeast
  20. True
  21. the amount of clay
  22. needed
  23. sinks
  24. a ping-pong ball
  25. not needed
  26. sinks
  27. True
  28. a steel spoon
  29. wipe up spills at once
  30. a pebble
  31. the big log
  32. an iron nail
  33. to keep children safe
  34. True
  35. True
  36. False
  37. floats
  38. floats
  39. a magnet
  40. a towel for spills

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids