Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 921 · 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.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
2. 2.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to win a prize (d) to splash everyone
3. 3.🔍 Which is the odd one out? (a) a ping-pong ball (b) an empty capped bottle (c) a metal key (d) a dry leaf
4. 4.⚖️ 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 keep it the same (c) we measure it
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.🛟 Does a cork float or sink in water? (a) sinks (b) floats
7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
8. 8.🛟 Which of these floats on water? (a) a feather (b) a pebble (c) a steel spoon (d) a metal key
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a results table (c) a towel for spills (d) a tub of water
10. 10.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
11. 11.True or false: a steel spoon floats on water. (a) False (b) True
12. 12.True or false: an iron nail sinks in water. (a) True (b) False
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a tub of water (d) a towel for spills
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a tub of water (d) a battery cell
15. 15.🛟 Which of these sinks in water? (a) an ice-cream stick (b) an ice cube (c) a piece of thermocol (d) a steel spoon
16. 16.True or false: an ice cube sinks in water. (a) True (b) False
17. 17.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
18. 18.🧺 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 results table (d) yeast
19. 19.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
20. 20.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
21. 21.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is very cold (d) ice is less dense
22. 22.⚖️ 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 tub of water
23. 23.⚖️ 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
24. 24.🧺 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) a towel for spills (d) a magnet
25. 25.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
26. 26.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
27. 27.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a results table (d) a tub of water
29. 29.⚖️ 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 measure it (b) we keep it the same (c) we change it
30. 30.🛟 Which of these sinks in water? (a) a cork (b) a ping-pong ball (c) a ball of clay (d) a feather
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) small test objects (d) turmeric powder
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the kind of clay (c) the shape of the clay (d) whether it floats
33. 33.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it dissolves (d) it sinks faster
34. 34.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) play near a deep pond (d) wipe up spills at once
35. 35.🔍 Which is the odd one out? (a) a coin (b) an empty capped bottle (c) a glass marble (d) an iron nail
36. 36.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a cork (b) a piece of thermocol (c) an ice-cream stick (d) a coin
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a mirror (c) yeast (d) a towel for spills
39. 39.True or false: a cork floats on water. (a) True (b) False
40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a magnet (c) a tub of water (d) small test objects

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