Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 715 · 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.⚖️ 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 measure it (c) we keep it the same
2. 2.True or false: a cork floats on water. (a) True (b) False
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) turmeric powder (c) a tub of water (d) a results table
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.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
6. 6.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) an ice-cream stick (b) an iron nail (c) an empty capped bottle (d) a cork
8. 8.🛟 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) leave water on the floor (d) run around the tub
9. 9.⚖️ 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) False (b) True
10. 10.⚖️ 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
11. 11.🛟 Which of these floats on water? (a) a ping-pong ball (b) a steel spoon (c) a metal key (d) a pebble
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.⚖️ 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 amount of clay (d) the kind of clay
14. 14.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is less dense (d) ice is magnetic
15. 15.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
16. 16.True or false: a glass marble sinks in water. (a) True (b) False
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) False (b) True
18. 18.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to win a prize (d) to hide the corks
19. 19.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
20. 20.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) an empty capped bottle (b) a dry leaf (c) an ice cube (d) a metal key
22. 22.⚖️ 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) False (b) True
23. 23.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
24. 24.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) an ice-cream stick (d) a metal key
25. 25.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
26. 26.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) a mirror (d) a battery cell
27. 27.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
28. 28.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
29. 29.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
30. 30.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) neither of them (d) the small pebble
31. 31.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
32. 32.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the air above (d) the water
33. 33.🛟 Which of these sinks in water? (a) an ice cube (b) a glass marble (c) a dry leaf (d) a feather
34. 34.🔍 Which is the odd one out? (a) a metal key (b) an ice cube (c) a coin (d) a glass marble
35. 35.True or false: an iron nail sinks in water. (a) False (b) True
36. 36.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it melts (d) it floats higher
37. 37.⚖️ 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 shape of the clay (c) the kind of clay (d) the tub of water
38. 38.⚖️ 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 tub of water
39. 39.True or false: a pebble floats on water. (a) True (b) False
40. 40.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False

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