Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 286 · 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 is the odd one out? (a) a glass marble (b) a feather (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 kind of clay is kept the same. (a) True (b) False
3. 3.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a mirror (d) a towel for spills
4. 4.🔮 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
5. 5.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
6. 6.⚖️ 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 change it (c) we measure it
7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
9. 9.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
10. 10.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
11. 11.⚖️ 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 amount of clay
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) yeast (d) a tub of water
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a battery cell (d) a towel for spills
14. 14.🛟 Which of these floats on water? (a) a glass marble (b) a coin (c) a steel spoon (d) an empty capped bottle
15. 15.⚖️ 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 change it (b) we keep it the same (c) we measure it
16. 16.⚖️ 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) whether it floats (d) the amount of clay
17. 17.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it floats higher (c) it sinks (d) it melts
18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a results table (c) small test objects (d) a towel for spills
19. 19.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a battery cell (c) a results table (d) small test objects
21. 21.True or false: a ping-pong ball floats on water. (a) True (b) False
22. 22.🛟 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
23. 23.🌊 What pushes a floating cork upward? (a) the air above (b) the cork itself (c) the tub (d) the water
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) a results table (d) a magnet
25. 25.🔍 Which is the odd one out? (a) a dry leaf (b) an ice cube (c) a ball of clay (d) an empty capped bottle
26. 26.🛟 Which of these sinks in water? (a) a dry leaf (b) a metal key (c) an ice-cream stick (d) a piece of thermocol
27. 27.🛟 Which of these floats on water? (a) a metal key (b) a pebble (c) an iron nail (d) an ice-cream stick
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 what we measure. (a) True (b) False
29. 29.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
30. 30.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) its hollow shape (d) it has a magnet
31. 31.🔍 Which is the odd one out? (a) a feather (b) an iron nail (c) a ping-pong ball (d) a cork
32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a towel for spills (d) a mirror
33. 33.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) a ping-pong ball (d) a metal key
34. 34.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
35. 35.🧺 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 towel for spills
36. 36.True or false: a coin sinks in water. (a) False (b) True
37. 37.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
38. 38.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
39. 39.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
40. 40.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True

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