Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 595 · 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.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
2. 2.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
3. 3.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
4. 4.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
5. 5.True or false: an ice-cream stick sinks in water. (a) False (b) True
6. 6.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a tub of water (d) a magnet
7. 7.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) neither of them (d) the small pebble
8. 8.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) a ping-pong ball (d) a pebble
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) small test objects (c) a towel for spills (d) a results table
10. 10.True or false: a dry leaf sinks in water. (a) True (b) False
11. 11.⚖️ 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) False (b) True
12. 12.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) run around the tub (d) wipe up spills at once
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) a tub of water (d) small test objects
15. 15.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) it has a magnet (d) its hollow shape
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a battery cell (c) a magnet (d) a mirror
17. 17.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it floats (d) it dissolves
18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a results table (d) a battery cell
19. 19.⚖️ 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
20. 20.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
21. 21.True or false: an ice cube sinks in water. (a) False (b) True
22. 22.⚖️ 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 kind of clay
23. 23.⚖️ 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) False (b) True
24. 24.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
25. 25.⚖️ 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
26. 26.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
27. 27.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) a few ice cubes (d) lots of salt stirred in
28. 28.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it sinks (c) it dissolves (d) it turns white
29. 29.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
30. 30.True or false: a piece of thermocol sinks in water. (a) False (b) True
31. 31.⚖️ 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 shape of the clay (d) the kind of clay
32. 32.True or false: an ice-cream stick floats on water. (a) False (b) True
33. 33.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to win a prize (d) to hide the corks
34. 34.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
35. 35.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
36. 36.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a ball of clay (c) an ice cube (d) a cork
37. 37.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the tub (d) the air above
38. 38.⚖️ 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 amount of clay (d) the shape of the clay
39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) an ice cube (b) a steel spoon (c) an ice-cream stick (d) a feather

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