Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 963 · 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 splash everyone (d) to win a prize
2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a mirror (d) a towel for spills
3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) small test objects (d) a magnet
4. 4.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the shape of the clay (c) the amount of clay (d) the tub of water
6. 6.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
7. 7.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
8. 8.🔍 Which is the odd one out? (a) a feather (b) an ice cube (c) a dry leaf (d) a pebble
9. 9.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
10. 10.⚖️ 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 keep it the same (b) we change it (c) we measure it
11. 11.⚖️ 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) False (b) True
12. 12.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
13. 13.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
14. 14.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
15. 15.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the big log (c) both of them (d) the small pebble
16. 16.🛟 Does a feather float or sink in water? (a) floats (b) sinks
17. 17.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
18. 18.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
21. 21.🧊 Why does an ice cube float on water? (a) ice is less dense (b) water is sticky (c) ice is very cold (d) ice is magnetic
22. 22.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) yeast (c) a results table (d) a tub of water
24. 24.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
25. 25.⚖️ 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 tub of water (c) the shape of the clay (d) the kind of clay
26. 26.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
27. 27.🛟 Which of these sinks in water? (a) a cork (b) an empty capped bottle (c) a coin (d) an ice-cream stick
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) a magnet
30. 30.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) sea water is warm (c) steel is very light (d) its hollow shape
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) turmeric powder (c) a tub of water (d) a balloon
32. 32.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
33. 33.True or false: a piece of thermocol floats on water. (a) True (b) False
34. 34.⚖️ 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 kind of clay (c) the shape of the clay
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.⚖️ 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) False (b) True
37. 37.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) run around the tub (d) play near a deep pond
38. 38.True or false: a cork sinks in water. (a) True (b) False
39. 39.🔮 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 dissolves (d) it sinks faster
40. 40.⚖️ 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

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