Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 431 · 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.⚖️ 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
2. 2.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
3. 3.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
4. 4.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) turmeric powder (c) small test objects (d) a battery cell
5. 5.⚖️ 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 amount of clay (c) the kind of clay (d) the shape of the clay
6. 6.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
7. 7.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it melts (d) it floats higher
8. 8.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a tub of water (d) a balloon
9. 9.🔮 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
10. 10.🛟 Does a cork float or sink in water? (a) sinks (b) floats
11. 11.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
12. 12.🛟 Which of these floats on water? (a) a steel spoon (b) a metal key (c) a dry leaf (d) an iron nail
13. 13.🔍 Which is the odd one out? (a) a piece of thermocol (b) an iron nail (c) a ping-pong ball (d) an ice-cream stick
14. 14.🔍 Which is the odd one out? (a) a ball of clay (b) a piece of thermocol (c) a coin (d) an iron nail
15. 15.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
16. 16.🛟 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
17. 17.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
18. 18.⚖️ 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 amount of clay (c) the shape of the clay
19. 19.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
20. 20.🛟 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
21. 21.⚖️ 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) False (b) True
22. 22.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
23. 23.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
24. 24.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a ball of clay (d) a piece of thermocol
25. 25.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
26. 26.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) turmeric powder (d) a towel for spills
28. 28.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) it has a magnet (d) sea water is warm
29. 29.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) a balloon (d) a mirror
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a mirror (d) a tub of water
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the amount of clay (c) the kind of clay (d) the tub of water
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
34. 34.🛟 Which of these floats on water? (a) a cork (b) an iron nail (c) a coin (d) a metal key
35. 35.🛟 Which of these sinks in water? (a) a cork (b) an empty capped bottle (c) an ice cube (d) an iron nail
36. 36.⚖️ 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 change it (c) we keep it the same
37. 37.🧺 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 battery cell (d) a results table
38. 38.🔍 Which is the odd one out? (a) a coin (b) a glass marble (c) a metal key (d) a cork
39. 39.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
40. 40.⚖️ 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) False (b) True

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