Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 533 · 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 floats on water? (a) a steel spoon (b) an iron nail (c) a feather (d) a glass marble
2. 2.🛟 Which of these floats on water? (a) a glass marble (b) a pebble (c) a coin (d) a cork
3. 3.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
4. 4.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) an iron nail (d) a ping-pong ball
6. 6.⚖️ 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) False (b) True
7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) run around the tub (d) leave water on the floor
8. 8.⚖️ 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
9. 9.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
10. 10.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
11. 11.🛟 Which of these sinks in water? (a) an ice cube (b) a dry leaf (c) a coin (d) a cork
12. 12.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
13. 13.🛟 Which of these floats on water? (a) an iron nail (b) a pebble (c) a glass marble (d) an ice-cream stick
14. 14.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is very cold (d) ice is less dense
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 measure it (b) we keep it the same (c) we change it
16. 16.🛟 Which of these floats on water? (a) a metal key (b) an empty capped bottle (c) a pebble (d) a glass marble
17. 17.True or false: an empty capped bottle sinks in water. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a piece of thermocol (d) a metal key
19. 19.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
20. 20.⚖️ 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 tub of water (c) whether it floats (d) the amount of clay
21. 21.⚖️ 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 tub of water
22. 22.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
23. 23.🔍 Which is the odd one out? (a) a dry leaf (b) a feather (c) an ice-cream stick (d) a pebble
24. 24.🛟 Which of these sinks in water? (a) a glass marble (b) an ice cube (c) a dry leaf (d) a piece of thermocol
25. 25.🌊 What pushes a floating cork upward? (a) the cork itself (b) the tub (c) the air above (d) the water
26. 26.⚖️ 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 change it (b) we measure it (c) we keep it the same
27. 27.🔮 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
28. 28.🔮 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
29. 29.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a balloon (d) small test objects
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a battery cell (c) small test objects (d) a tub of water
32. 32.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) a metal key (d) a piece of thermocol
33. 33.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it dissolves (d) it sinks
34. 34.True or false: an ice cube floats on water. (a) True (b) False
35. 35.True or false: a pebble sinks in water. (a) True (b) False
36. 36.True or false: a pebble floats on water. (a) False (b) True
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) False (b) True
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) a mirror
39. 39.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
40. 40.🛟 Does a metal key float or sink in water? (a) floats (b) sinks

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