Floating and Sinking Experiment Worksheet

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

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