Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 779 · 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.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
2. 2.🧺 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) yeast (d) small test objects
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) a tub of water (d) small test objects
5. 5.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
6. 6.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to keep children safe (d) to hide the corks
7. 7.True or false: a dry leaf floats on water. (a) True (b) False
8. 8.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
9. 9.🛟 Which of these sinks in water? (a) a pebble (b) a piece of thermocol (c) an empty capped bottle (d) a feather
10. 10.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
11. 11.🛟 Which of these sinks in water? (a) a feather (b) an ice-cream stick (c) a steel spoon (d) a piece of thermocol
12. 12.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
13. 13.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
14. 14.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the water (d) the tub
15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the kind of clay
16. 16.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
17. 17.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
18. 18.🔍 Which is the odd one out? (a) an empty capped bottle (b) a ball of clay (c) a coin (d) a pebble
19. 19.⚖️ 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 shape of the clay
20. 20.🛟 Which of these floats on water? (a) a steel spoon (b) a ping-pong ball (c) a pebble (d) a glass marble
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) turmeric powder (c) small test objects (d) a towel for spills
22. 22.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a glass marble (c) a ping-pong ball (d) a piece of thermocol
23. 23.🛟 Which of these sinks in water? (a) a cork (b) a ping-pong ball (c) a metal key (d) an ice cube
24. 24.⚖️ 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) True (b) False
25. 25.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a dry leaf (c) a ball of clay (d) a piece of thermocol
26. 26.⚖️ 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
27. 27.⚖️ 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) whether it floats (c) the amount of clay
28. 28.⚖️ 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 measure it (b) we keep it the same (c) we change it
29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a battery cell (d) small test objects
30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a battery cell (d) a towel for spills
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) a ping-pong ball (b) a ball of clay (c) a cork (d) a piece of thermocol
33. 33.🛟 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) play near a deep pond (d) run around the tub
34. 34.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a battery cell (c) a magnet (d) a tub of water
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) a battery cell (d) a towel for spills
36. 36.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
37. 37.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) small test objects (c) a tub of water (d) a towel for spills
39. 39.True or false: an ice-cream stick sinks in water. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a dry leaf (b) a metal key (c) a glass marble (d) an iron nail

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