Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 656 · 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.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
2. 2.⚖️ 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 keep it the same (b) we measure it (c) we change it
3. 3.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it sinks (d) it still floats
4. 4.🛟 Which of these floats on water? (a) a cork (b) an iron nail (c) a metal key (d) a ball of clay
5. 5.⚖️ 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) True (b) False
6. 6.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
7. 7.🛟 Does a coin float or sink in water? (a) floats (b) sinks
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a results table (c) a mirror (d) a balloon
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the shape of the clay (c) the amount of clay (d) whether it floats
11. 11.True or false: a steel spoon floats on water. (a) False (b) True
12. 12.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is less dense (c) ice is magnetic (d) ice is very cold
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a tub of water (d) a results table
14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a mirror (d) a results table
16. 16.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
17. 17.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it dissolves (c) it turns to stone (d) it can float
18. 18.🔍 Which is the odd one out? (a) an ice-cream stick (b) a steel spoon (c) a piece of thermocol (d) a dry leaf
19. 19.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a steel spoon (c) a dry leaf (d) a piece of thermocol
20. 20.⚖️ 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 shape of the clay (c) the kind of clay (d) whether it floats
21. 21.🛟 Which of these floats on water? (a) a pebble (b) a steel spoon (c) a coin (d) an ice-cream stick
22. 22.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
23. 23.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the shape of the clay (c) the tub of water
25. 25.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) sea water is warm (d) its hollow shape
26. 26.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a battery cell (d) turmeric powder
27. 27.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
28. 28.🛟 Which of these floats on water? (a) a steel spoon (b) an iron nail (c) a ping-pong ball (d) a glass marble
29. 29.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
30. 30.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
31. 31.🛟 Which of these floats on water? (a) a steel spoon (b) an iron nail (c) a glass marble (d) an ice cube
32. 32.True or false: a cork floats on water. (a) False (b) True
33. 33.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it floats higher (c) it melts (d) it turns blue
34. 34.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a battery cell (c) a towel for spills (d) turmeric powder
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) small test objects (c) a tub of water (d) a towel for spills
38. 38.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
39. 39.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) a tub of water (d) small test objects

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