Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 937 · 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.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a mirror (c) a battery cell (d) turmeric powder
2. 2.⚖️ 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
3. 3.⚖️ 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) False (b) True
4. 4.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a cork (b) a steel spoon (c) a metal key (d) an iron nail
6. 6.🛟 Does a feather float or sink in water? (a) sinks (b) floats
7. 7.🔍 Which is the odd one out? (a) a ball of clay (b) an iron nail (c) a coin (d) an empty capped bottle
8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a magnet (c) a tub of water (d) a balloon
9. 9.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) sea water is warm (d) its hollow shape
10. 10.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) neither of them (d) both of them
11. 11.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a magnet
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) a towel for spills (d) turmeric powder
13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
14. 14.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
15. 15.True or false: a feather floats on water. (a) False (b) True
16. 16.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to keep children safe (d) to splash everyone
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) False (b) True
18. 18.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a results table (c) a tub of water (d) small test objects
21. 21.⚖️ 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 amount of clay
22. 22.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
23. 23.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice cube (c) an ice-cream stick (d) a steel spoon
24. 24.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a balloon (d) a towel for spills
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a battery cell (d) a towel for spills
28. 28.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
29. 29.⚖️ 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) True (b) False
30. 30.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it dissolves (c) it turns to stone (d) it sinks faster
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) a mirror (d) a tub of water
32. 32.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it sinks (d) it bounces up
33. 33.🛟 Which of these sinks in water? (a) a metal key (b) a piece of thermocol (c) an ice-cream stick (d) a cork
34. 34.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
35. 35.⚖️ 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 keep it the same (b) we measure it (c) we change it
36. 36.⚖️ 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 tub of water (b) the shape of the clay (c) the amount of clay (d) whether it floats
37. 37.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
38. 38.🛟 Which of these floats on water? (a) a steel spoon (b) a coin (c) a ping-pong ball (d) a pebble
39. 39.True or false: a cork sinks in water. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) a feather (b) an ice cube (c) a dry leaf (d) an iron nail

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