Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 81 · 40 questions

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.

1. 1.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
2. 2.🛟 Which of these sinks in water? (a) a coin (b) an ice-cream stick (c) a cork (d) a piece of thermocol
3. 3.⚖️ 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 change it (b) we keep it the same (c) we measure it
4. 4.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) yeast (d) a results table
6. 6.True or false: a metal key sinks in water. (a) True (b) False
7. 7.True or false: a cork floats on water. (a) False (b) True
8. 8.🛟 Which of these sinks in water? (a) an iron nail (b) an ice cube (c) a cork (d) an ice-cream stick
9. 9.🛟 Which of these sinks in water? (a) a glass marble (b) an empty capped bottle (c) an ice-cream stick (d) a dry leaf
10. 10.True or false: a dry leaf sinks in water. (a) False (b) True
11. 11.⚖️ 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 amount of clay (c) the tub of water (d) whether it floats
12. 12.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it dissolves (d) it still floats
13. 13.True or false: a ping-pong ball sinks in water. (a) False (b) True
14. 14.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
15. 15.🧺 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) a battery cell (d) a results table
16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the amount of clay (c) the tub of water (d) the shape of the clay
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) turmeric powder (c) a balloon (d) a magnet
18. 18.🔮 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
19. 19.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a magnet (c) a battery cell (d) a tub of water
20. 20.⚖️ 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
21. 21.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
22. 22.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
23. 23.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
24. 24.True or false: a cork sinks in water. (a) True (b) False
25. 25.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
26. 26.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
27. 27.🧺 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) small test objects (d) a results table
28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) turmeric powder (c) a tub of water (d) small test objects
30. 30.True or false: a dry leaf floats on water. (a) False (b) True
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) a tub of water (d) small test objects
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) False (b) True
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) small test objects (c) a tub of water (d) a results table
34. 34.🔍 Which is the odd one out? (a) a cork (b) a pebble (c) an ice-cream stick (d) a piece of thermocol
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a magnet (d) a towel for spills
36. 36.🛟 Which of these floats on water? (a) a glass marble (b) a ball of clay (c) a feather (d) a metal key
37. 37.🧺 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) a results table
38. 38.🛟 Which of these floats on water? (a) a coin (b) an ice cube (c) a steel spoon (d) a metal key
39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a mirror (d) a results table

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