Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 827 · 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? What do we do with “the kind of clay”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🔍 Which is the odd one out? (a) an ice-cream stick (b) a dry leaf (c) an iron nail (d) a feather
3. 3.True or false: a cork floats on water. (a) True (b) False
4. 4.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a magnet (d) a tub of water
6. 6.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
8. 8.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) a towel for spills (d) a results table
10. 10.🔍 Which is the odd one out? (a) an empty capped bottle (b) a metal key (c) a glass marble (d) a pebble
11. 11.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
12. 12.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a battery cell (c) a results table (d) turmeric powder
14. 14.⚖️ 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 measure it (c) we change it
15. 15.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a tub of water (d) a balloon
17. 17.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it dissolves (c) it turns to stone (d) it can float
18. 18.🛟 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
19. 19.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a tub of water (d) a balloon
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.⚖️ 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) False (b) True
22. 22.🛟 Does a cork float or sink in water? (a) sinks (b) floats
23. 23.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
24. 24.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) it has a magnet (d) sea water is warm
25. 25.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) both of them (d) neither of them
26. 26.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a feather (c) a piece of thermocol (d) a ball of clay
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a magnet (c) a results table (d) small test objects
28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a tub of water (d) yeast
30. 30.True or false: a dry leaf floats on water. (a) False (b) True
31. 31.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
32. 32.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
33. 33.🧺 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) a battery cell (d) a tub of water
34. 34.⚖️ 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 kind of clay (b) the tub of water (c) the shape of the clay (d) the amount of clay
35. 35.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
36. 36.True or false: a steel spoon floats on water. (a) False (b) True
37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a mirror (d) a results table
38. 38.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
39. 39.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) a glass marble (d) a feather
40. 40.⚖️ 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

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