Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 474 · 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.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
2. 2.⚖️ 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 shape of the clay (b) whether it floats (c) the tub of water (d) the amount of clay
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) small test objects (c) a towel for spills (d) a tub of water
4. 4.🛟 Does a coin float or sink in water? (a) floats (b) sinks
5. 5.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
6. 6.🛟 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
7. 7.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a towel for spills (d) a mirror
8. 8.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) an ice cube (d) a glass marble
9. 9.🛟 Which of these sinks in water? (a) a pebble (b) a feather (c) a ping-pong ball (d) a dry leaf
10. 10.⚖️ 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 keep it the same (b) we change it (c) we measure it
11. 11.🔍 Which is the odd one out? (a) a dry leaf (b) a coin (c) a pebble (d) a steel spoon
12. 12.True or false: a ping-pong ball floats on water. (a) True (b) False
13. 13.⚖️ 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) the amount of clay (c) whether it floats
14. 14.🧺 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) a mirror (d) small test objects
15. 15.🛟 Which of these floats on water? (a) a piece of thermocol (b) a steel spoon (c) a ball of clay (d) an iron nail
16. 16.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it dissolves (c) it still floats (d) it sinks
17. 17.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a ball of clay (c) a piece of thermocol (d) a cork
18. 18.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a battery cell (c) small test objects (d) a tub of water
21. 21.🛟 Which of these floats on water? (a) an ice-cream stick (b) a glass marble (c) a steel spoon (d) a pebble
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) turmeric powder (d) small test objects
23. 23.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it turns to stone (c) it can float (d) it dissolves
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a battery cell (c) a magnet (d) yeast
25. 25.⚖️ 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 tub of water (d) the kind of clay
26. 26.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
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 melts (d) it sinks
28. 28.True or false: a glass marble floats on water. (a) True (b) False
29. 29.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) its hollow shape (c) sea water is warm (d) steel is very light
30. 30.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
31. 31.True or false: a coin floats on water. (a) True (b) False
32. 32.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
33. 33.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
34. 34.🔍 Which is the odd one out? (a) a glass marble (b) a ping-pong ball (c) a steel spoon (d) a metal key
35. 35.🔍 Which is the odd one out? (a) a feather (b) a piece of thermocol (c) a coin (d) an ice cube
36. 36.🔍 Which is the odd one out? (a) a metal key (b) a glass marble (c) a feather (d) a coin
37. 37.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
38. 38.🔍 Which is the odd one out? (a) a cork (b) a steel spoon (c) a feather (d) a piece of thermocol
39. 39.⚖️ 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) True (b) False
40. 40.🛟 Which of these floats on water? (a) an iron nail (b) a cork (c) a steel spoon (d) a metal key

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