Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 313 · 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 can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) its hollow shape (d) it has a magnet
2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
4. 4.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
5. 5.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) a cork (b) a pebble (c) an ice cube (d) a dry leaf
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a results table (c) a towel for spills (d) small test objects
8. 8.⚖️ 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
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) yeast (c) a towel for spills (d) small test objects
11. 11.⚖️ 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 change it (c) we measure it
12. 12.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) neither of them (d) the small pebble
13. 13.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
14. 14.True or false: a steel spoon sinks in water. (a) True (b) False
15. 15.🔮 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
16. 16.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it floats (c) it sinks (d) it dissolves
17. 17.🛟 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 keep children safe (d) to hide the corks
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) a mirror (d) yeast
19. 19.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
20. 20.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it turns to stone (d) it can float
21. 21.🛟 Which of these sinks in water? (a) a pebble (b) an ice-cream stick (c) a feather (d) a ping-pong ball
22. 22.🛟 Which of these floats on water? (a) a coin (b) an empty capped bottle (c) a ball of clay (d) a metal key
23. 23.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
24. 24.True or false: a coin sinks in water. (a) True (b) False
25. 25.⚖️ 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 measure it (c) we change it
26. 26.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
27. 27.🔍 Which is the odd one out? (a) an empty capped bottle (b) an iron nail (c) a steel spoon (d) a pebble
28. 28.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a towel for spills (d) a mirror
30. 30.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) a towel for spills (d) small test objects
32. 32.🛟 Which of these floats on water? (a) a metal key (b) an ice-cream stick (c) an iron nail (d) a ball of clay
33. 33.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a ball of clay (c) a cork (d) a dry leaf
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a tub of water (d) turmeric powder
35. 35.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.⚖️ 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 tub of water (c) the shape of the clay (d) the amount of clay
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) small test objects (c) turmeric powder (d) a balloon
39. 39.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
40. 40.🛟 Which of these floats on water? (a) a dry leaf (b) an iron nail (c) a steel spoon (d) a ball of clay

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