Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 284 · 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.⚖️ 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
2. 2.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) small test objects (d) a mirror
3. 3.🛟 Does a feather float or sink in water? (a) sinks (b) floats
4. 4.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
5. 5.⚖️ 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) whether it floats (c) the shape of the clay
6. 6.🔍 Which is the odd one out? (a) a ball of clay (b) an ice cube (c) an empty capped bottle (d) a cork
7. 7.⚖️ 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 tub of water (c) the shape of the clay (d) the kind of clay
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
9. 9.🛟 Which of these sinks in water? (a) an iron nail (b) an empty capped bottle (c) a cork (d) an ice-cream stick
10. 10.True or false: a piece of thermocol sinks in water. (a) False (b) True
11. 11.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) water is sticky (d) ice is less dense
12. 12.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it dissolves (d) it still floats
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a battery cell (d) a towel for spills
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a battery cell (d) small test objects
15. 15.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) yeast (c) turmeric powder (d) a mirror
16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) False (b) True
17. 17.🧺 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 results table (d) small test objects
18. 18.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a towel for spills (d) a mirror
21. 21.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
22. 22.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) whether it floats (c) the shape of the clay
24. 24.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
25. 25.True or false: a glass marble floats on water. (a) True (b) False
26. 26.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to keep children safe (d) to hide the corks
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
29. 29.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) sea water is warm (d) its hollow shape
30. 30.🛟 Which of these sinks in water? (a) a glass marble (b) an empty capped bottle (c) an ice cube (d) a piece of thermocol
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) turmeric powder (c) a battery cell (d) a balloon
32. 32.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) both of them (d) neither of them
33. 33.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
34. 34.True or false: an ice cube floats on water. (a) True (b) False
35. 35.🧺 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) yeast (d) a results table
36. 36.True or false: an empty capped bottle sinks in water. (a) True (b) False
37. 37.True or false: a feather sinks in water. (a) False (b) True
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a mirror (d) a tub of water
39. 39.True or false: an ice-cream stick sinks in water. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) an empty capped bottle (b) a metal key (c) a pebble (d) a coin

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