Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 879 · 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 sinks in water? (a) an iron nail (b) an ice-cream stick (c) a dry leaf (d) a cork
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 the one thing we change. (a) True (b) False
3. 3.⚖️ 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 kind of clay (d) the amount of clay
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 keep it the same (b) we measure it (c) we change it
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a results table (c) small test objects (d) a tub of water
6. 6.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) a coin (b) an empty capped bottle (c) a cork (d) a piece of thermocol
9. 9.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
10. 10.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to win a prize (d) to keep children safe
11. 11.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
12. 12.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
13. 13.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a battery cell (d) a balloon
15. 15.🧺 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 battery cell (d) small test objects
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a results table (d) small test objects
17. 17.⚖️ 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
18. 18.True or false: a steel spoon floats on water. (a) True (b) False
19. 19.🧺 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) yeast (d) a tub of water
20. 20.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
21. 21.🔍 Which is the odd one out? (a) a coin (b) a glass marble (c) an ice cube (d) a ball of clay
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
23. 23.🛟 Does a cork float or sink in water? (a) sinks (b) floats
24. 24.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
25. 25.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it sinks (d) it still floats
26. 26.⚖️ 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
27. 27.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
28. 28.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) neither of them (d) the small pebble
29. 29.🛟 Which of these floats on water? (a) a feather (b) a steel spoon (c) a ball of clay (d) a coin
30. 30.⚖️ 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) whether it floats (c) the amount of clay (d) the kind of clay
31. 31.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
34. 34.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
35. 35.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
36. 36.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
37. 37.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) an empty capped bottle (b) a pebble (c) a dry leaf (d) an ice cube
39. 39.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
40. 40.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) sea water is warm (d) steel is very light

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