Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 575 · 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? True or false: the shape of the clay is the one thing we change. (a) False (b) True
2. 2.True or false: an ice cube sinks in water. (a) True (b) False
3. 3.⚖️ 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
4. 4.True or false: a steel spoon sinks in water. (a) False (b) True
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) an empty capped bottle (d) a ball of clay
7. 7.🛟 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 win a prize (d) to hide the corks
8. 8.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
9. 9.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it melts (d) it sinks
10. 10.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
11. 11.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
12. 12.🛟 Which of these sinks in water? (a) an ice-cream stick (b) an iron nail (c) a piece of thermocol (d) a cork
13. 13.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it sinks (c) it bounces up (d) it floats
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a mirror (d) a tub of water
15. 15.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it sinks faster (d) it dissolves
16. 16.🛟 Does a cork float or sink in water? (a) sinks (b) floats
17. 17.⚖️ 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
18. 18.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
19. 19.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it dissolves (d) it sinks
20. 20.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a tub of water (d) a balloon
22. 22.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
23. 23.🧺 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 towel for spills (d) a mirror
24. 24.True or false: a cork sinks in water. (a) False (b) True
25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a battery cell (d) a results table
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
28. 28.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
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 keep it the same (c) we measure it
30. 30.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
31. 31.⚖️ 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
32. 32.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a battery cell (c) small test objects (d) a towel for spills
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) True (b) False
36. 36.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) an ice cube (d) a metal key
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a tub of water (d) a towel for spills
38. 38.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
39. 39.⚖️ 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
40. 40.True or false: a ball of clay sinks in water. (a) True (b) False

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