Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 638 · 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.🔮 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
2. 2.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
3. 3.⚖️ 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) True (b) False
4. 4.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a results table (c) small test objects (d) a tub of water
6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the kind of clay (d) the shape of the clay
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) small test objects (d) a magnet
8. 8.🔍 Which is the odd one out? (a) a steel spoon (b) a cork (c) a pebble (d) a ball of clay
9. 9.🛟 Which of these floats on water? (a) a ball of clay (b) an iron nail (c) a coin (d) an ice cube
10. 10.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
11. 11.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
12. 12.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
13. 13.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
14. 14.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
15. 15.🛟 Which of these floats on water? (a) a cork (b) a pebble (c) a coin (d) an iron nail
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) yeast (d) small test objects
17. 17.True or false: a ball of clay floats on water. (a) False (b) True
18. 18.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
19. 19.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) run around the tub (d) wipe up spills at once
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) False (b) True
21. 21.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) both of them (d) neither of them
22. 22.🛟 Which of these floats on water? (a) an iron nail (b) a dry leaf (c) a metal key (d) a pebble
23. 23.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
24. 24.🧊 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
25. 25.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
26. 26.True or false: an ice-cream stick floats on water. (a) False (b) True
27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a towel for spills (d) a mirror
28. 28.🛟 Which of these sinks in water? (a) a dry leaf (b) a ping-pong ball (c) a cork (d) a glass marble
29. 29.⚖️ 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
30. 30.🧺 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
31. 31.⚖️ 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 keep it the same (c) we change it
32. 32.⚖️ 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 tub of water (d) the amount of clay
33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) a results table (c) small test objects (d) a tub of water
34. 34.⚖️ 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
35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a mirror (c) small test objects (d) a towel for spills
36. 36.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it melts (c) it floats higher (d) it sinks
37. 37.⚖️ 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 keep it the same (c) we measure it
38. 38.🛟 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 splash everyone (d) to win a prize
39. 39.True or false: a cork floats on water. (a) True (b) False
40. 40.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) its hollow shape (c) steel is very light (d) sea water is warm

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