Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 236 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a balloon (c) a results table (d) a towel for spills
2. 2.True or false: an empty capped bottle floats on water. (a) False (b) True
3. 3.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
4. 4.⚖️ 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 keep it the same (c) we measure it
5. 5.🥚 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
6. 6.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) a ball of clay (d) a piece of thermocol
7. 7.⚖️ 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 measure it (b) we keep it the same (c) we change it
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
10. 10.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
11. 11.🔍 Which is the odd one out? (a) a metal key (b) a glass marble (c) a dry leaf (d) a coin
12. 12.True or false: a ping-pong ball sinks in water. (a) True (b) False
13. 13.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
14. 14.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) steel is very light (d) sea water is warm
15. 15.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a mirror (d) a results table
16. 16.⚖️ 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 keep it the same (c) we change it
17. 17.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) a steel spoon (d) an ice-cream stick
18. 18.🛟 Does a coin float or sink in water? (a) sinks (b) floats
19. 19.⚖️ 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) True (b) False
20. 20.⚖️ 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) the kind of clay (c) whether it floats
21. 21.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it floats higher (d) it melts
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) small test objects (d) a towel for spills
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a feather (b) an iron nail (c) a cork (d) a piece of thermocol
26. 26.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
28. 28.⚖️ 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 amount of clay (d) the kind of clay
29. 29.True or false: a metal key floats on water. (a) True (b) False
30. 30.⚖️ 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) whether it floats (c) the shape of the clay
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) a magnet (d) turmeric powder
32. 32.🔍 Which is the odd one out? (a) a cork (b) a dry leaf (c) a glass marble (d) a ping-pong ball
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the shape of the clay (c) the amount of clay
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) yeast (c) a towel for spills (d) a results table
35. 35.True or false: a pebble floats on water. (a) False (b) True
36. 36.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
37. 37.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
38. 38.🌊 What pushes a floating cork upward? (a) the water (b) the tub (c) the cork itself (d) the air above
39. 39.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
40. 40.🛟 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 hide the corks (d) to keep children safe

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