Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 972 · 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.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to win a prize (d) to splash everyone
2. 2.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a magnet (d) a mirror
4. 4.⚖️ 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
5. 5.⚖️ 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
6. 6.⚖️ 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) True (b) False
7. 7.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) the tub of water (c) whether it floats (d) the shape of the clay
9. 9.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we change it (c) we measure it
11. 11.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it dissolves (d) it floats
13. 13.⚖️ 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
14. 14.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
15. 15.🛟 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
16. 16.⚖️ 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 tub of water (c) whether it floats
17. 17.True or false: an empty capped bottle sinks in water. (a) False (b) True
18. 18.⚖️ 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) True (b) False
19. 19.True or false: a coin floats on water. (a) False (b) True
20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a tub of water (d) small test objects
21. 21.⚖️ 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) False (b) True
22. 22.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
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) the kind of clay (c) whether it floats (d) the shape of the clay
24. 24.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
25. 25.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) small test objects (d) turmeric powder
27. 27.🧺 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 tub of water
28. 28.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a cork (d) a pebble
29. 29.True or false: a steel spoon floats on water. (a) True (b) False
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 tub of water (d) a mirror
31. 31.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) a few ice cubes (c) more plain water (d) lots of salt stirred in
32. 32.⚖️ 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
33. 33.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
36. 36.⚖️ 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 change it (b) we keep it the same (c) we measure it
37. 37.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
38. 38.🧺 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) yeast (d) a tub of water
39. 39.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
40. 40.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is very cold (d) ice is less dense

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