← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 466 · 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.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it sinks faster (d) it can float
  2. 2.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) a coin (c) a pebble (d) a feather
  4. 4.🧺 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) small test objects (d) yeast
  5. 5.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  6. 6.🛟 Which of these floats on water? (a) an ice-cream stick (b) a steel spoon (c) a metal key (d) a glass marble
  7. 7.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a balloon (c) yeast (d) turmeric powder
  8. 8.🛟 Which of these sinks in water? (a) a dry leaf (b) a coin (c) an empty capped bottle (d) an ice cube
  9. 9.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  10. 10.⚖️ 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
  11. 11.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  12. 12.🧺 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 towel for spills (d) a mirror
  13. 13.⚖️ 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 tub of water
  14. 14.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  15. 15.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) play near a deep pond (d) wipe up spills at once
  16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
  17. 17.True or false: an ice cube sinks in water. (a) True (b) False
  18. 18.🛟 Which of these floats on water? (a) a ball of clay (b) a glass marble (c) an empty capped bottle (d) a coin
  19. 19.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) an empty capped bottle (d) a piece of thermocol
  20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a magnet (c) a tub of water (d) small test objects
  21. 21.⚖️ 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) False (b) True
  22. 22.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to splash everyone (d) to win a prize
  23. 23.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a mirror (c) a balloon (d) turmeric powder
  24. 24.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  25. 25.🔮 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
  26. 26.⚖️ 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
  27. 27.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a battery cell (d) a mirror
  29. 29.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) a steel spoon (d) a dry leaf
  30. 30.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  31. 31.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  32. 32.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  33. 33.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
  34. 34.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a towel for spills (d) a balloon
  36. 36.True or false: a metal key floats on water. (a) False (b) True
  37. 37.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is less dense (c) water is sticky (d) ice is magnetic
  38. 38.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it melts (d) it floats higher
  39. 39.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it sinks (c) it floats (d) it bounces up
  40. 40.True or false: a glass marble sinks in water. (a) False (b) True

Answer key

  1. it can float
  2. True
  3. a feather
  4. yeast
  5. sinks
  6. an ice-cream stick
  7. a results table
  8. a coin
  9. True
  10. True
  11. True
  12. a mirror
  13. the tub of water
  14. not needed
  15. wipe up spills at once
  16. we measure it
  17. False
  18. an empty capped bottle
  19. a metal key
  20. a magnet
  21. False
  22. to keep children safe
  23. small test objects
  24. needed
  25. it still floats
  26. True
  27. floats
  28. a tub of water
  29. a steel spoon
  30. False
  31. not needed
  32. True
  33. floats
  34. sinks
  35. a balloon
  36. False
  37. ice is less dense
  38. it sinks
  39. it sinks
  40. True

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