Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 747 · 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 magnet is not needed for the float-or-sink test. (a) False (b) True
2. 2.🛟 Which of these floats on water? (a) an iron nail (b) a glass marble (c) a coin (d) a cork
3. 3.⚖️ 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 keep it the same (c) we measure it
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) a balloon
5. 5.🛟 Which of these sinks in water? (a) an ice cube (b) a cork (c) a dry leaf (d) a metal key
6. 6.⚖️ 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) whether it floats (c) the kind of clay (d) the amount of clay
7. 7.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) an iron nail (b) an ice cube (c) a glass marble (d) a ball of clay
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it dissolves (d) it turns white
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) turmeric powder (c) small test objects (d) a towel for spills
11. 11.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a mirror (c) a results table (d) small test objects
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) a results table (d) a tub of water
15. 15.⚖️ 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
16. 16.True or false: a feather sinks in water. (a) False (b) True
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a results table (c) turmeric powder (d) a balloon
18. 18.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
19. 19.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the tub (d) the air above
20. 20.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is magnetic (c) water is sticky (d) ice is very cold
21. 21.🔮 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
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a mirror
23. 23.⚖️ 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
24. 24.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) lots of salt stirred in (c) a few ice cubes (d) a little shaking
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) yeast (d) a magnet
26. 26.🛟 Which of these floats on water? (a) an empty capped bottle (b) a ball of clay (c) a steel spoon (d) a pebble
27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) True (b) False
28. 28.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
29. 29.⚖️ 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 change it (b) we measure it (c) we keep it the same
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a towel for spills (d) a tub of water
31. 31.🛟 Which of these sinks in water? (a) an ice cube (b) a feather (c) an iron nail (d) an empty capped bottle
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a battery cell (d) a results table
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a tub of water (c) a battery cell (d) a balloon
36. 36.True or false: an ice cube sinks in water. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) a glass marble (b) a pebble (c) a ball of clay (d) an ice-cream stick
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) False (b) True
39. 39.🔍 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
40. 40.True or false: a pebble floats on water. (a) False (b) True

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