Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 798 · 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: a balloon is needed for the float-or-sink test. (a) False (b) True
2. 2.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) run around the tub (d) play near a deep pond
3. 3.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to splash everyone (d) to keep children safe
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.True or false: a steel spoon floats on water. (a) True (b) False
6. 6.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the small pebble (d) the big log
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a balloon (c) a tub of water (d) a results table
8. 8.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a magnet (c) a mirror (d) small test objects
10. 10.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) an iron nail (d) an empty capped bottle
11. 11.⚖️ 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) True (b) False
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a results table (c) a towel for spills (d) a tub of water
13. 13.⚖️ 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
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 measure it (b) we keep it the same (c) we change it
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a battery cell (d) a results table
16. 16.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a feather (d) a glass marble
17. 17.🧺 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 magnet (d) a tub of water
18. 18.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
19. 19.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a cork (c) an ice-cream stick (d) a pebble
22. 22.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
23. 23.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it floats (c) it dissolves (d) it sinks
24. 24.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) sea water is warm (c) steel is very light (d) its hollow shape
25. 25.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is less dense (d) ice is magnetic
26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the tub of water (c) the amount of clay (d) whether it floats
27. 27.🔍 Which is the odd one out? (a) a ping-pong ball (b) a steel spoon (c) a piece of thermocol (d) an empty capped bottle
28. 28.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
29. 29.⚖️ 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 kind of clay (c) whether it floats (d) the tub of water
30. 30.🧺 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) yeast
31. 31.🔍 Which is the odd one out? (a) an iron nail (b) an ice-cream stick (c) a steel spoon (d) a ball of clay
32. 32.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
34. 34.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
35. 35.True or false: a metal key floats on water. (a) True (b) False
36. 36.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
37. 37.True or false: an iron nail sinks in water. (a) False (b) True
38. 38.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
39. 39.⚖️ 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 keep it the same (c) we measure it
40. 40.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) False (b) True

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