Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 565 · 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 cube float or sink in water? (a) sinks (b) floats
2. 2.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) sea water is warm (d) it has a magnet
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a magnet (d) small test objects
5. 5.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
6. 6.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) yeast (c) a mirror (d) small test objects
7. 7.🔍 Which is the odd one out? (a) a ball of clay (b) a steel spoon (c) a coin (d) an ice cube
8. 8.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it can float (c) it turns to stone (d) it dissolves
9. 9.🛟 Which of these floats on water? (a) a pebble (b) a piece of thermocol (c) an iron nail (d) a coin
10. 10.⚖️ 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 keep it the same (b) we change it (c) we measure it
11. 11.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to hide the corks (d) to splash everyone
12. 12.⚖️ 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 shape of the clay (c) the tub of water (d) the kind of clay
13. 13.🧺 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 battery cell (d) a tub of water
14. 14.⚖️ 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 keep it the same (c) we change it
15. 15.🔍 Which is the odd one out? (a) a glass marble (b) an ice-cream stick (c) a coin (d) a steel spoon
16. 16.🛟 Which of these floats on water? (a) a steel spoon (b) an empty capped bottle (c) an iron nail (d) a metal key
17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a results table (d) a battery cell
18. 18.True or false: a feather floats on water. (a) True (b) False
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a balloon (d) a towel for spills
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
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 shape of the clay (c) the amount of clay
22. 22.🛟 Which of these sinks in water? (a) a glass marble (b) a ping-pong ball (c) an empty capped bottle (d) an ice cube
23. 23.🛟 Which of these floats on water? (a) a steel spoon (b) an ice-cream stick (c) a coin (d) a glass marble
24. 24.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) a dry leaf (b) a ping-pong ball (c) a coin (d) a piece of thermocol
26. 26.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
27. 27.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
28. 28.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
29. 29.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it turns blue (d) it floats higher
30. 30.⚖️ 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 change it (b) we measure it (c) we keep it the same
31. 31.True or false: a piece of thermocol sinks in water. (a) True (b) False
32. 32.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
33. 33.True or false: a cork sinks in water. (a) False (b) True
34. 34.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is less dense (c) ice is very cold (d) water is sticky
35. 35.True or false: a ping-pong ball floats on water. (a) True (b) False
36. 36.⚖️ 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
37. 37.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
38. 38.🛟 Does a coin float or sink in water? (a) floats (b) sinks
39. 39.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
40. 40.⚖️ 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) the kind of clay (c) the shape of the clay (d) whether it floats

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