Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 864 · 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 ball of clay sinks in water. (a) False (b) True
2. 2.🛟 Does a coin float or sink in water? (a) sinks (b) floats
3. 3.🔍 Which is the odd one out? (a) a ping-pong ball (b) a glass marble (c) a steel spoon (d) an iron nail
4. 4.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
5. 5.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
6. 6.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it bounces up (d) it sinks
7. 7.⚖️ 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
8. 8.⚖️ 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 tub of water
9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a tub of water (d) a battery cell
10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a results table (c) a tub of water (d) small test objects
11. 11.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
12. 12.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
13. 13.🛟 Which of these sinks in water? (a) a dry leaf (b) a ball of clay (c) a cork (d) a ping-pong ball
14. 14.🛟 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 win a prize (d) to keep children safe
15. 15.⚖️ 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) False (b) True
16. 16.⚖️ 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
17. 17.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
18. 18.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
19. 19.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
20. 20.🛟 Which of these sinks in water? (a) a cork (b) a dry leaf (c) a metal key (d) a piece of thermocol
21. 21.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
22. 22.🛟 Which of these floats on water? (a) a steel spoon (b) a cork (c) a coin (d) a ball of clay
23. 23.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
24. 24.True or false: a magnet is needed for the float-or-sink test. (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 change it (b) we keep it the same (c) we measure it
26. 26.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a balloon (d) a results table
27. 27.⚖️ 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) False (b) True
28. 28.⚖️ 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) False (b) True
29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a mirror (d) a tub of water
30. 30.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) both of them (d) neither of them
31. 31.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it melts (c) it sinks (d) it floats higher
32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) small test objects (d) yeast
33. 33.⚖️ 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) False (b) True
34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) True (b) False
35. 35.True or false: a dry leaf sinks in water. (a) True (b) False
36. 36.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) its hollow shape (d) it has a magnet
37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a magnet (c) small test objects (d) a tub of water
38. 38.⚖️ 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 kind of clay
39. 39.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
40. 40.True or false: an ice cube floats on water. (a) True (b) False

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