Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 79 · 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 empty capped bottle float or sink in water? (a) sinks (b) floats
2. 2.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
3. 3.⚖️ 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 keep it the same (b) we measure it (c) we change it
4. 4.⚖️ 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) True (b) False
5. 5.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
8. 8.🛟 Which of these sinks in water? (a) a dry leaf (b) a coin (c) a ping-pong ball (d) a piece of thermocol
9. 9.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) it has a magnet (d) its hollow shape
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) a metal key (c) an iron nail (d) an ice cube
11. 11.🛟 Which of these floats on water? (a) a dry leaf (b) a metal key (c) a steel spoon (d) an iron nail
12. 12.🔍 Which is the odd one out? (a) an iron nail (b) an empty capped bottle (c) a feather (d) a ping-pong ball
13. 13.🔍 Which is the odd one out? (a) an ice cube (b) a cork (c) a metal key (d) an empty capped bottle
14. 14.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it still floats (d) it turns white
15. 15.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) a magnet (d) a balloon
16. 16.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
17. 17.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
18. 18.🧺 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) small test objects
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
21. 21.True or false: a piece of thermocol floats on water. (a) True (b) False
22. 22.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a battery cell (d) a balloon
23. 23.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a steel spoon (d) a piece of thermocol
25. 25.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
26. 26.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
27. 27.⚖️ 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
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 kept the same. (a) False (b) True
29. 29.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) True (b) False
30. 30.True or false: an ice cube floats on water. (a) True (b) False
31. 31.🛟 Which of these sinks in water? (a) a ball of clay (b) a feather (c) a ping-pong ball (d) an empty capped bottle
32. 32.🔍 Which is the odd one out? (a) an ice-cream stick (b) a feather (c) a piece of thermocol (d) a coin
33. 33.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
34. 34.🔍 Which is the odd one out? (a) an ice-cream stick (b) a feather (c) a ping-pong ball (d) a glass marble
35. 35.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the shape of the clay (c) the amount of clay (d) whether it floats
37. 37.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the tub of water
39. 39.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
40. 40.🧺 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) small test objects (d) yeast

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