Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 933 · 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.🛟 Which of these sinks in water? (a) a feather (b) a dry leaf (c) an ice-cream stick (d) a ball of clay
2. 2.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a results table (d) a mirror
3. 3.True or false: a feather floats on water. (a) False (b) True
4. 4.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
5. 5.⚖️ 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
6. 6.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) leave water on the floor (d) run around the tub
7. 7.🛟 Which of these floats on water? (a) an iron nail (b) an ice-cream stick (c) a pebble (d) a metal key
8. 8.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) water is sticky (d) ice is less dense
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) a metal key (b) an ice cube (c) a coin (d) a steel spoon
11. 11.🧺 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 battery cell (d) a results table
12. 12.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) a little shaking (d) more plain water
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
14. 14.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
15. 15.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
16. 16.🛟 Which of these sinks in water? (a) a cork (b) a feather (c) a steel spoon (d) a piece of thermocol
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a battery cell (c) yeast (d) a balloon
18. 18.True or false: an ice-cream stick sinks in water. (a) False (b) True
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a tub of water (c) a towel for spills (d) a results table
20. 20.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) small test objects (d) a magnet
22. 22.⚖️ 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 measure it (b) we keep it the same (c) we change it
23. 23.⚖️ 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) whether it floats (c) the shape of the clay
24. 24.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to hide the corks (d) to splash everyone
25. 25.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
26. 26.🛟 Which of these floats on water? (a) a coin (b) an empty capped bottle (c) a steel spoon (d) a metal key
27. 27.⚖️ 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
28. 28.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
29. 29.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
30. 30.🛟 Which of these sinks in water? (a) an ice cube (b) an ice-cream stick (c) a ping-pong ball (d) an iron nail
31. 31.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
32. 32.🛟 Which of these sinks in water? (a) a feather (b) an ice-cream stick (c) a pebble (d) a dry leaf
33. 33.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a magnet (d) small test objects
35. 35.True or false: an ice cube sinks in water. (a) False (b) True
36. 36.True or false: an iron nail sinks in water. (a) False (b) True
37. 37.True or false: a piece of thermocol sinks in water. (a) False (b) True
38. 38.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
39. 39.⚖️ 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) whether it floats (c) the tub of water (d) the shape of the clay
40. 40.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it floats (c) it dissolves (d) it bounces up

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