Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 183 · 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 is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) play near a deep pond (d) leave water on the floor
2. 2.🌊 What pushes a floating cork upward? (a) the cork itself (b) the water (c) the air above (d) the tub
3. 3.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
4. 4.🛟 Does a feather float or sink in water? (a) sinks (b) floats
5. 5.🛟 Does a cork float or sink in water? (a) sinks (b) floats
6. 6.True or false: a ping-pong ball sinks in water. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ 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 measure it (b) we change it (c) we keep it the same
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) whether it floats (c) the amount of clay (d) the kind of clay
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) yeast (d) turmeric powder
11. 11.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) an empty capped bottle (d) a glass marble
12. 12.True or false: a metal key floats on water. (a) False (b) True
13. 13.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it bounces up (d) it sinks
14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) True (b) False
15. 15.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) sea water is warm (d) its hollow shape
16. 16.🔮 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
17. 17.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a battery cell (c) a mirror (d) a tub of water
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a mirror (d) a towel for spills
20. 20.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a glass marble (d) an ice-cream stick
21. 21.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
22. 22.🛟 Which of these floats on water? (a) a pebble (b) a ping-pong ball (c) a metal key (d) an iron nail
23. 23.⚖️ 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 amount of clay (c) the shape of the clay (d) whether it floats
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a mirror (d) a magnet
25. 25.⚖️ 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
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a results table (d) a magnet
28. 28.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
29. 29.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
30. 30.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
31. 31.True or false: a ball of clay sinks in water. (a) False (b) True
32. 32.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a steel spoon (c) an ice-cream stick (d) a ping-pong ball
33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a towel for spills (d) a mirror
34. 34.🔍 Which is the odd one out? (a) a pebble (b) a coin (c) a steel spoon (d) a feather
35. 35.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
36. 36.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) turmeric powder (c) a balloon (d) a magnet
37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) a results table (d) a tub of water
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) turmeric powder (c) a tub of water (d) small test objects
39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a tub of water (d) yeast
40. 40.True or false: a feather sinks in water. (a) True (b) False

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