Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 876 · 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.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
2. 2.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
3. 3.🔍 Which is the odd one out? (a) a ball of clay (b) an empty capped bottle (c) a piece of thermocol (d) a cork
4. 4.⚖️ 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 keep it the same (b) we change it (c) we measure it
5. 5.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) leave water on the floor (d) run around the tub
6. 6.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
7. 7.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
8. 8.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it dissolves (d) it still floats
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
11. 11.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) a piece of thermocol (d) a coin
12. 12.⚖️ 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) True (b) False
13. 13.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a coin (d) a cork
14. 14.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it turns blue (c) it floats higher (d) it sinks
15. 15.🧺 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) a battery cell (d) a towel for spills
16. 16.🛟 Which of these sinks in water? (a) a steel spoon (b) a feather (c) an ice-cream stick (d) a dry leaf
17. 17.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) a results table (d) small test objects
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
20. 20.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) sea water is warm (d) its hollow shape
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a tub of water (d) small test objects
22. 22.⚖️ 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 shape of the clay (c) whether it floats (d) the tub of water
23. 23.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a magnet (d) turmeric powder
25. 25.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
26. 26.🧺 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 balloon (d) a results table
27. 27.🔍 Which is the odd one out? (a) a piece of thermocol (b) an empty capped bottle (c) an ice cube (d) a pebble
28. 28.True or false: an iron nail floats on water. (a) False (b) True
29. 29.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the cork itself (d) the tub
30. 30.⚖️ 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) False (b) True
31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) small test objects (d) a results table
32. 32.🛟 Which of these floats on water? (a) a glass marble (b) a feather (c) a pebble (d) a coin
33. 33.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a feather (c) a glass marble (d) an ice cube
34. 34.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
35. 35.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
36. 36.🛟 Which of these sinks in water? (a) a dry leaf (b) a pebble (c) an empty capped bottle (d) a piece of thermocol
37. 37.🛟 Which of these sinks in water? (a) a ball of clay (b) an ice cube (c) an ice-cream stick (d) a cork
38. 38.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
39. 39.⚖️ 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 kind of clay (b) the shape of the clay (c) whether it floats (d) the tub of water
40. 40.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it dissolves (d) it floats

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