Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 74 · 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.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) an ice-cream stick (d) a metal key
2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a results table (d) turmeric powder
3. 3.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
4. 4.🧺 Do we need a balloon 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 balloon (b) a tub of water (c) a towel for spills (d) small test objects
6. 6.⚖️ 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) False (b) True
7. 7.⚖️ 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
8. 8.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) small test objects (d) a results table
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
11. 11.⚖️ 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
12. 12.⚖️ 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 keep it the same (b) we change it (c) we measure it
13. 13.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
14. 14.True or false: a pebble floats on water. (a) True (b) False
15. 15.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a mirror (c) small test objects (d) a towel for spills
17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) turmeric powder (c) a towel for spills (d) a results table
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) small test objects (c) a tub of water (d) a towel for spills
20. 20.True or false: an iron nail floats on water. (a) True (b) False
21. 21.🚢 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
22. 22.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) a cork (d) an iron nail
23. 23.⚖️ 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 amount of clay (c) the shape of the clay
24. 24.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
25. 25.🛟 Which of these floats on water? (a) a ball of clay (b) a coin (c) a cork (d) a steel spoon
26. 26.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a balloon (c) yeast (d) a battery cell
27. 27.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a mirror (d) a tub of water
29. 29.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it turns white (d) it still floats
30. 30.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
31. 31.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
32. 32.⚖️ 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 shape of the clay (b) the tub of water (c) the kind of clay (d) the amount of clay
33. 33.⚖️ 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
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a pebble (d) a feather
35. 35.🛟 Does a coin float or sink in water? (a) floats (b) sinks
36. 36.🔮 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 can float (d) it sinks faster
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a towel for spills (d) a magnet
38. 38.⚖️ 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) False (b) True
39. 39.True or false: a ping-pong ball floats on water. (a) True (b) False
40. 40.⚖️ 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) the shape of the clay (c) whether it floats

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids