Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 182 · 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: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
2. 2.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
3. 3.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to keep children safe (d) to win a prize
4. 4.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a balloon (d) a results table
5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a towel for spills (d) yeast
6. 6.⚖️ 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 amount of clay (b) the tub of water (c) the shape of the clay (d) the kind of clay
7. 7.⚖️ 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
8. 8.🛟 Which of these floats on water? (a) a ball of clay (b) a feather (c) a glass marble (d) a steel spoon
9. 9.True or false: a cork floats on water. (a) True (b) False
10. 10.True or false: a cork sinks in water. (a) True (b) False
11. 11.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
12. 12.⚖️ 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) False (b) True
13. 13.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
14. 14.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
15. 15.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
16. 16.🔍 Which is the odd one out? (a) a feather (b) a ball of clay (c) a coin (d) an iron nail
17. 17.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
18. 18.True or false: an iron nail floats on water. (a) True (b) False
19. 19.🧺 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) small test objects (d) a battery cell
20. 20.🛟 Which of these sinks in water? (a) a glass marble (b) a piece of thermocol (c) an ice cube (d) a ping-pong ball
21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we measure it (b) we keep it the same (c) we change it
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) an iron nail (b) an ice cube (c) a glass marble (d) a steel spoon
24. 24.True or false: an ice cube sinks in water. (a) True (b) False
25. 25.🧺 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 magnet (d) a towel for spills
26. 26.🧺 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
27. 27.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
28. 28.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
29. 29.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
30. 30.🛟 Which of these sinks in water? (a) a coin (b) a cork (c) a dry leaf (d) an ice cube
31. 31.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) its hollow shape (c) steel is very light (d) sea water is warm
32. 32.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
33. 33.🛟 Does a coin float or sink in water? (a) sinks (b) floats
34. 34.🧺 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 balloon (d) a tub of water
35. 35.True or false: a coin sinks in water. (a) True (b) False
36. 36.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
37. 37.🧺 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) small test objects (d) turmeric powder
38. 38.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
39. 39.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a mirror (c) a balloon (d) turmeric powder
40. 40.⚖️ 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 measure it (c) we change it

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