← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 780 · 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 balloon is not needed for the float-or-sink test. (a) False (b) True
  2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a battery cell (c) a tub of water (d) a mirror
  3. 3.⚖️ 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 amount of clay (b) the shape of the clay (c) whether it floats (d) the kind of clay
  4. 4.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is less dense (c) water is sticky (d) ice is very cold
  5. 5.🔍 Which is the odd one out? (a) an iron nail (b) a coin (c) a cork (d) a steel spoon
  6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) a tub of water (d) a results table
  7. 7.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  8. 8.🛟 Which of these floats on water? (a) a cork (b) a pebble (c) a ball of clay (d) a coin
  9. 9.🛟 Which of these floats on water? (a) a steel spoon (b) an ice cube (c) a coin (d) a metal key
  10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
  11. 11.True or false: a cork floats on water. (a) True (b) False
  12. 12.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  13. 13.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it sinks (c) it melts (d) it turns blue
  14. 14.🔍 Which is the odd one out? (a) a pebble (b) a feather (c) a glass marble (d) a steel spoon
  15. 15.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a balloon (c) a mirror (d) turmeric powder
  16. 16.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice-cream stick (c) a dry leaf (d) a steel spoon
  17. 17.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  18. 18.True or false: a coin sinks in water. (a) False (b) True
  19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) turmeric powder (d) a tub of water
  20. 20.🔍 Which is the odd one out? (a) an empty capped bottle (b) an ice-cream stick (c) an ice cube (d) a coin
  21. 21.True or false: a coin floats on water. (a) True (b) False
  22. 22.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it dissolves (d) it sinks
  23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a results table (c) a towel for spills (d) a tub of water
  24. 24.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  25. 25.🛟 Which of these sinks in water? (a) an ice cube (b) a coin (c) a piece of thermocol (d) a feather
  26. 26.True or false: a feather floats on water. (a) False (b) True
  27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) small test objects (d) a balloon
  28. 28.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  29. 29.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) both of them (c) the big log (d) neither of them
  30. 30.⚖️ 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 kind of clay
  31. 31.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
  32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) turmeric powder (c) a towel for spills (d) yeast
  33. 33.True or false: a cork sinks in water. (a) True (b) False
  34. 34.True or false: an ice cube sinks in water. (a) False (b) True
  35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a battery cell (c) small test objects (d) a results table
  36. 36.True or false: an iron nail floats on water. (a) False (b) True
  37. 37.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an ice cube (c) an empty capped bottle (d) a pebble
  38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a results table (c) a tub of water (d) small test objects
  39. 39.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  40. 40.⚖️ 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 keep it the same (c) we measure it

Answer key

  1. True
  2. a tub of water
  3. the shape of the clay
  4. ice is less dense
  5. a cork
  6. a balloon
  7. sinks
  8. a cork
  9. an ice cube
  10. the tub of water
  11. True
  12. True
  13. it sinks
  14. a feather
  15. a results table
  16. a steel spoon
  17. not needed
  18. True
  19. turmeric powder
  20. a coin
  21. False
  22. it still floats
  23. yeast
  24. False
  25. a coin
  26. True
  27. a balloon
  28. floats
  29. the big log
  30. the kind of clay
  31. True
  32. a towel for spills
  33. False
  34. False
  35. a battery cell
  36. False
  37. a pebble
  38. a mirror
  39. needed
  40. we change it

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