Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 602 · 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 cork sinks in water. (a) False (b) True
2. 2.🛟 Which of these sinks in water? (a) an ice cube (b) an empty capped bottle (c) a piece of thermocol (d) an iron nail
3. 3.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
4. 4.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a mirror (d) a battery cell
5. 5.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
6. 6.🔮 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
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a tub of water (d) small test objects
8. 8.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it dissolves (c) it turns to stone (d) it sinks faster
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a results table (d) a tub of water
10. 10.🔍 Which is the odd one out? (a) a feather (b) a pebble (c) an iron nail (d) a glass marble
11. 11.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
12. 12.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
13. 13.True or false: a metal key floats on water. (a) True (b) False
14. 14.🛟 Which of these floats on water? (a) a glass marble (b) an empty capped bottle (c) a ball of clay (d) a metal key
15. 15.⚖️ 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 measure it (b) we change it (c) we keep it the same
16. 16.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
17. 17.⚖️ 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
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a battery cell (d) a towel for spills
19. 19.⚖️ 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) whether it floats (c) the tub of water (d) the kind of clay
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) True (b) False
21. 21.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
22. 22.🛟 Does a coin float or sink in water? (a) sinks (b) floats
23. 23.🥚 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
24. 24.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
25. 25.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
26. 26.🛟 Which of these sinks in water? (a) an ice cube (b) a ping-pong ball (c) a coin (d) a piece of thermocol
27. 27.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to keep children safe (d) to splash everyone
28. 28.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) a glass marble (b) a steel spoon (c) a coin (d) a cork
30. 30.🔍 Which is the odd one out? (a) a dry leaf (b) a ball of clay (c) a glass marble (d) a pebble
31. 31.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
32. 32.🌊 What pushes a floating cork upward? (a) the air above (b) the tub (c) the cork itself (d) the water
33. 33.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) an ice-cream stick (d) an iron nail
34. 34.🛟 Which of these floats on water? (a) a ball of clay (b) a coin (c) an iron nail (d) a dry leaf
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a results table (d) turmeric powder
36. 36.🔍 Which is the odd one out? (a) a dry leaf (b) a piece of thermocol (c) a glass marble (d) an ice cube
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) whether it floats (b) the tub of water (c) the shape of the clay (d) the amount of clay
38. 38.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
39. 39.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
40. 40.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True

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