Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 733 · 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.🛟 Does a coin float or sink in water? (a) floats (b) sinks
2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) turmeric powder (d) a mirror
3. 3.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
4. 4.🧺 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 towel for spills (d) turmeric powder
5. 5.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
8. 8.🛟 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 keep children safe (d) to win a prize
9. 9.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) steel is very light (d) its hollow shape
10. 10.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) both of them (d) the small pebble
11. 11.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it floats (d) it dissolves
12. 12.⚖️ 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) True (b) False
13. 13.🛟 Which of these floats on water? (a) a coin (b) an empty capped bottle (c) a ball of clay (d) a pebble
14. 14.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) wipe up spills at once (d) leave water on the floor
15. 15.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
16. 16.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
18. 18.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
19. 19.⚖️ 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 measure it (c) we keep it the same
20. 20.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
21. 21.🔍 Which is the odd one out? (a) a glass marble (b) an ice-cream stick (c) a steel spoon (d) a ball of clay
22. 22.⚖️ 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 measure it (c) we keep it the same
23. 23.⚖️ 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
24. 24.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
25. 25.True or false: a piece of thermocol floats on water. (a) False (b) True
26. 26.🛟 Which of these sinks in water? (a) an ice cube (b) a steel spoon (c) a piece of thermocol (d) a dry leaf
27. 27.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ping-pong ball (c) a cork (d) a glass marble
28. 28.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
29. 29.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
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 results table (d) small test objects
31. 31.🛟 Which of these floats on water? (a) an iron nail (b) an ice cube (c) a ball of clay (d) a steel spoon
32. 32.🔍 Which is the odd one out? (a) a pebble (b) an ice-cream stick (c) a dry leaf (d) a cork
33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a mirror (c) small test objects (d) a towel for spills
34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
35. 35.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the cork itself (d) the tub
36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) small test objects (d) a balloon
37. 37.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
38. 38.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
39. 39.🧺 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) a mirror
40. 40.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) lots of salt stirred in (c) a few ice cubes (d) more plain water

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