Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 603 · 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 coin sinks in water. (a) False (b) True
2. 2.🛟 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
3. 3.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
4. 4.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
5. 5.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) sea water is warm (c) its hollow shape (d) steel is very light
6. 6.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
7. 7.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a results table (c) a mirror (d) turmeric powder
9. 9.True or false: a dry leaf floats on water. (a) False (b) True
10. 10.True or false: an ice cube sinks in water. (a) True (b) False
11. 11.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
13. 13.⚖️ 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 change it (c) we keep it the same
14. 14.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
15. 15.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) more plain water (c) a few ice cubes (d) a little shaking
16. 16.⚖️ 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
17. 17.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
18. 18.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
19. 19.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it melts (d) it floats higher
20. 20.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) turmeric powder (d) a towel for spills
21. 21.🛟 Which of these sinks in water? (a) an ice-cream stick (b) an ice cube (c) a pebble (d) a cork
22. 22.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
23. 23.⚖️ 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
24. 24.True or false: a dry leaf sinks in water. (a) False (b) True
25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) turmeric powder (c) a tub of water (d) small test objects
26. 26.🧺 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 magnet (d) a results table
27. 27.⚖️ 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 change it (b) we measure it (c) we keep it the same
28. 28.⚖️ 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 kind of clay (d) the amount of clay
29. 29.🔍 Which is the odd one out? (a) a ping-pong ball (b) a dry leaf (c) a coin (d) a feather
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a coin (d) an ice cube
31. 31.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) both of them (d) the big log
32. 32.🌊 What pushes a floating cork upward? (a) the tub (b) the water (c) the cork itself (d) the air above
33. 33.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) a ball of clay (b) a pebble (c) a glass marble (d) an ice-cream stick
35. 35.True or false: a steel spoon floats on water. (a) False (b) True
36. 36.⚖️ 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) False (b) True
37. 37.⚖️ 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
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) turmeric powder (d) a tub of water
39. 39.⚖️ 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) whether it floats (c) the shape of the clay (d) the kind of clay
40. 40.🔍 Which is the odd one out? (a) an iron nail (b) a ball of clay (c) a glass marble (d) a dry leaf

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