Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 597 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) small test objects (d) a tub of water
2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
3. 3.⚖️ 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
4. 4.🔍 Which is the odd one out? (a) a steel spoon (b) a coin (c) a piece of thermocol (d) a pebble
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) a pebble (b) an ice-cream stick (c) a metal key (d) a glass marble
7. 7.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a steel spoon (c) an ice cube (d) a feather
8. 8.🔍 Which is the odd one out? (a) a steel spoon (b) a feather (c) a metal key (d) a glass marble
9. 9.🛟 Which of these floats on water? (a) an ice cube (b) an iron nail (c) a ball of clay (d) a coin
10. 10.⚖️ 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 measure it (c) we change it
11. 11.⚖️ 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) True (b) False
12. 12.⚖️ 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 keep it the same (c) we measure it
13. 13.True or false: a piece of thermocol floats on water. (a) False (b) True
14. 14.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
15. 15.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) neither of them (d) both of them
16. 16.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
17. 17.🛟 Does a cork float or sink in water? (a) sinks (b) floats
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) turmeric powder (c) small test objects (d) yeast
19. 19.🛟 Which of these sinks in water? (a) a pebble (b) a ping-pong ball (c) a feather (d) an ice cube
20. 20.🛟 Does a coin float or sink in water? (a) sinks (b) floats
21. 21.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) its hollow shape (d) sea water is warm
22. 22.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it melts (c) it sinks (d) it floats higher
23. 23.🔍 Which is the odd one out? (a) a ball of clay (b) an ice-cream stick (c) a feather (d) a dry leaf
24. 24.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) small test objects (c) a towel for spills (d) a tub of water
26. 26.⚖️ 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) whether it floats (c) the shape of the clay (d) the kind of clay
27. 27.🛟 Which of these floats on water? (a) a steel spoon (b) an ice-cream stick (c) a ball of clay (d) a glass marble
28. 28.🔍 Which is the odd one out? (a) a steel spoon (b) an ice cube (c) a ball of clay (d) a glass marble
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) yeast (d) a mirror
30. 30.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
31. 31.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to win a prize (d) to splash everyone
32. 32.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a cork (c) a coin (d) a piece of thermocol
33. 33.⚖️ 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) True (b) False
34. 34.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
35. 35.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a magnet (c) a results table (d) small test objects
37. 37.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
38. 38.🛟 Which of these floats on water? (a) an empty capped bottle (b) a steel spoon (c) a pebble (d) a metal key
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) small test objects (d) turmeric powder
40. 40.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks

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