Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 657 · 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 feather sinks in water. (a) False (b) True
2. 2.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
3. 3.🧺 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 battery cell (d) a towel for spills
4. 4.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
5. 5.🛟 Does a cork float or sink in water? (a) floats (b) sinks
6. 6.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
7. 7.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to keep children safe (d) to splash everyone
8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a mirror (c) turmeric powder (d) a tub of water
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) a mirror (d) a towel for spills
10. 10.True or false: a metal key floats on water. (a) True (b) False
11. 11.⚖️ 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 keep it the same (b) we measure it (c) we change it
12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it dissolves (c) it floats (d) it bounces up
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we change it (c) we measure it
14. 14.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
15. 15.🧊 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
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a magnet (d) small test objects
17. 17.True or false: a piece of thermocol sinks in water. (a) True (b) False
18. 18.⚖️ 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
19. 19.True or false: an ice-cream stick sinks in water. (a) True (b) False
20. 20.⚖️ 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 kind of clay (d) the amount of clay
21. 21.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
22. 22.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
23. 23.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
24. 24.🔮 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
25. 25.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
26. 26.⚖️ 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
27. 27.🛟 Which of these floats on water? (a) a pebble (b) a metal key (c) a piece of thermocol (d) a ball of clay
28. 28.🔍 Which is the odd one out? (a) an ice-cream stick (b) an empty capped bottle (c) a pebble (d) a cork
29. 29.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a feather (b) an iron nail (c) a steel spoon (d) a coin
31. 31.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it turns to stone (c) it dissolves (d) it sinks faster
32. 32.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a balloon (d) a towel for spills
34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a magnet (d) a towel for spills
35. 35.⚖️ 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
36. 36.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
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 kind of clay (b) the shape of the clay (c) the amount of clay (d) whether it floats
38. 38.🔍 Which is the odd one out? (a) an ice-cream stick (b) a dry leaf (c) a piece of thermocol (d) a coin
39. 39.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
40. 40.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) the big log (d) both of them

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