Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 711 · 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? 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) the tub of water
2. 2.🔍 Which is the odd one out? (a) an ice cube (b) a coin (c) a dry leaf (d) an ice-cream stick
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) leave water on the floor (d) wipe up spills at once
4. 4.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
5. 5.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) the small pebble (d) both of them
6. 6.True or false: an ice-cream stick sinks in water. (a) True (b) False
7. 7.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
8. 8.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it turns to stone (c) it dissolves (d) it can float
9. 9.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) yeast (c) a tub of water (d) a towel for spills
13. 13.⚖️ 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
14. 14.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
16. 16.🛟 Which of these floats on water? (a) a ball of clay (b) an ice cube (c) an iron nail (d) a steel spoon
17. 17.🧺 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
18. 18.⚖️ 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 change it (c) we keep it the same
19. 19.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a balloon (d) yeast
20. 20.🔍 Which is the odd one out? (a) a glass marble (b) a feather (c) an iron nail (d) a pebble
21. 21.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
22. 22.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it turns white (d) it sinks
23. 23.True or false: a cork sinks in water. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a ping-pong ball (b) a pebble (c) a coin (d) an iron nail
25. 25.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
26. 26.True or false: a dry leaf floats on water. (a) False (b) True
27. 27.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a coin (c) a piece of thermocol (d) an empty capped bottle
28. 28.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
29. 29.⚖️ 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
30. 30.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
31. 31.⚖️ 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
32. 32.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) a dry leaf (d) a ball of clay
33. 33.🧺 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 mirror (d) small test objects
34. 34.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
35. 35.⚖️ 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 shape of the clay (c) the kind of clay
36. 36.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) lots of salt stirred in (c) more plain water (d) a few ice cubes
37. 37.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
38. 38.True or false: an ice-cream stick floats on water. (a) False (b) True
39. 39.🧺 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 magnet (d) a tub of water
40. 40.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed

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