Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 176 · 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 balloon is not needed for the float-or-sink test. (a) False (b) True
2. 2.True or false: a pebble floats on water. (a) False (b) True
3. 3.⚖️ 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) whether it floats (c) the shape of the clay
4. 4.🔍 Which is the odd one out? (a) an empty capped bottle (b) a ping-pong ball (c) a steel spoon (d) a cork
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 shape of the clay (b) whether it floats (c) the tub of water
6. 6.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a battery cell (c) small test objects (d) a tub of water
9. 9.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
10. 10.⚖️ 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) the shape of the clay (d) whether it floats
11. 11.🛟 Which of these sinks in water? (a) an ice cube (b) a coin (c) a dry leaf (d) an ice-cream stick
12. 12.🛟 Which of these sinks in water? (a) a metal key (b) an ice cube (c) a feather (d) a cork
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) a towel for spills (d) a balloon
14. 14.True or false: a glass marble floats on water. (a) False (b) True
15. 15.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
16. 16.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) both of them (d) neither of them
17. 17.🔍 Which is the odd one out? (a) a coin (b) a cork (c) a steel spoon (d) a pebble
18. 18.True or false: a cork sinks in water. (a) True (b) False
19. 19.⚖️ 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) True (b) False
20. 20.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to hide the corks (d) to splash everyone
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) yeast (c) a towel for spills (d) small test objects
22. 22.⚖️ 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) False (b) True
23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
24. 24.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) steel is very light (d) sea water is warm
25. 25.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
26. 26.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the cork itself (d) the tub
27. 27.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
28. 28.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
29. 29.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
30. 30.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) a metal key (b) a cork (c) an ice-cream stick (d) a ping-pong ball
32. 32.⚖️ 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) True (b) False
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a magnet (c) a towel for spills (d) small test objects
35. 35.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
36. 36.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
37. 37.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a tub of water (c) turmeric powder (d) a battery cell
38. 38.True or false: a ping-pong ball sinks in water. (a) False (b) True
39. 39.🛟 Which of these floats on water? (a) a coin (b) an ice cube (c) a pebble (d) a metal key
40. 40.⚖️ 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

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