Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 196 · 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: small test objects is not needed for the float-or-sink test. (a) False (b) True
2. 2.⚖️ 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 keep it the same (b) we measure it (c) we change it
3. 3.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) its hollow shape (d) steel is very light
4. 4.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) a battery cell (d) a towel for spills
5. 5.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) turmeric powder (c) a magnet (d) small test objects
8. 8.🛟 Does a coin float or sink in water? (a) sinks (b) floats
9. 9.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
10. 10.⚖️ 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 measure it (c) we keep it the same
11. 11.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
12. 12.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
13. 13.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it dissolves (d) it can float
14. 14.🔍 Which is the odd one out? (a) a ball of clay (b) a feather (c) a piece of thermocol (d) a cork
15. 15.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the water (d) the cork itself
16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
17. 17.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
18. 18.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
19. 19.🛟 Which of these floats on water? (a) a glass marble (b) a pebble (c) a ball of clay (d) a feather
20. 20.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
21. 21.⚖️ 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 change it (b) we measure it (c) we keep it the same
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a mirror (d) small test objects
23. 23.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
24. 24.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it dissolves (c) it still floats (d) it sinks
25. 25.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
26. 26.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
27. 27.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
28. 28.⚖️ 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 amount of clay (c) the shape of the clay (d) the tub of water
29. 29.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
30. 30.True or false: a feather floats on water. (a) False (b) True
31. 31.🧊 Why does an ice cube float on water? (a) ice is less dense (b) water is sticky (c) ice is very cold (d) ice is magnetic
32. 32.⚖️ 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
33. 33.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
34. 34.⚖️ 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
35. 35.🛟 Which of these floats on water? (a) an iron nail (b) an empty capped bottle (c) a coin (d) a steel spoon
36. 36.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
37. 37.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
38. 38.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
39. 39.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a feather (b) an empty capped bottle (c) a coin (d) a piece of thermocol

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids