Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 608 · 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 cork floats on water. (a) False (b) True
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
4. 4.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a dry leaf (c) a steel spoon (d) a feather
5. 5.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
6. 6.True or false: a dry leaf floats on water. (a) True (b) False
7. 7.🥚 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
8. 8.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a magnet (c) a tub of water (d) small test objects
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) a towel for spills (d) a results table
11. 11.⚖️ 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 tub of water (b) the amount of clay (c) the kind of clay (d) the shape of the clay
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) a balloon (d) yeast
13. 13.⚖️ 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
14. 14.🛟 Does a coin float or sink in water? (a) sinks (b) floats
15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the tub of water (c) whether it floats (d) the amount of clay
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) turmeric powder (c) a balloon (d) a towel for spills
17. 17.🛟 Which of these floats on water? (a) a steel spoon (b) a coin (c) a pebble (d) a dry leaf
18. 18.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is less dense (c) ice is very cold (d) ice is magnetic
19. 19.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
20. 20.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) neither of them (d) the big log
21. 21.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a magnet (d) yeast
22. 22.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it sinks faster (d) it can float
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 shape of the clay (b) whether it floats (c) the tub of water
24. 24.True or false: turmeric powder 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? True or false: the shape of the clay is what we measure. (a) True (b) False
26. 26.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
27. 27.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
28. 28.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
29. 29.🧺 Do we need a towel for spills 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) small test objects (b) a results table (c) a battery cell (d) a towel for spills
31. 31.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) yeast (c) a towel for spills (d) small test objects
33. 33.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
34. 34.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
35. 35.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
36. 36.🔍 Which is the odd one out? (a) a cork (b) an iron nail (c) a coin (d) a pebble
37. 37.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
38. 38.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
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.🛟 Which of these floats on water? (a) an iron nail (b) an ice-cream stick (c) a glass marble (d) a coin

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