Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 382 · 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 a steel spoon float or sink in water? (a) floats (b) sinks
2. 2.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
3. 3.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) neither of them (d) both of them
4. 4.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) small test objects (c) a balloon (d) yeast
5. 5.⚖️ 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
6. 6.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it dissolves (d) it can float
7. 7.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
8. 8.True or false: an iron nail floats on water. (a) False (b) True
9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a battery cell (c) a results table (d) a towel for spills
10. 10.True or false: yeast is not needed for the float-or-sink test. (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 amount of clay (b) whether it floats (c) the shape of the clay (d) the kind of clay
12. 12.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a results table (c) a tub of water (d) a towel for spills
14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
15. 15.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) leave water on the floor (d) wipe up spills at once
16. 16.🛟 Does a ping-pong ball 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? What do we do with “the tub of water”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.⚖️ 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 measure it (b) we change it (c) we keep it the same
19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) a results table (d) a towel for spills
20. 20.True or false: a feather 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) whether it floats (b) the tub of water (c) the shape of the clay
22. 22.True or false: an ice-cream stick floats on water. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) a glass marble (c) an ice cube (d) an iron nail
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) yeast (d) a towel for spills
25. 25.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it turns white (d) it still floats
26. 26.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
27. 27.🛟 Which of these sinks in water? (a) a dry leaf (b) a cork (c) a steel spoon (d) an ice cube
28. 28.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
29. 29.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
30. 30.🛟 Which of these floats on water? (a) a pebble (b) an empty capped bottle (c) a steel spoon (d) a glass marble
31. 31.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) sea water is warm (c) steel is very light (d) it has a magnet
32. 32.🔍 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
33. 33.True or false: an ice-cream stick sinks in water. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) a ball of clay (d) an ice cube
35. 35.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
36. 36.⚖️ 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 shape of the clay (b) the tub of water (c) the amount of clay (d) whether it floats
37. 37.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a ball of clay (b) a metal key (c) an empty capped bottle (d) a steel spoon
39. 39.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
40. 40.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats

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