Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 319 · 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 is not needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a results table (d) a towel for spills
2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) small test objects (d) a battery cell
3. 3.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
4. 4.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) run around the tub (d) play near a deep pond
5. 5.⚖️ 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
6. 6.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
7. 7.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
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 can float (d) it dissolves
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a mirror (c) a towel for spills (d) a magnet
10. 10.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) water is sticky (d) ice is less dense
11. 11.🔍 Which is the odd one out? (a) a metal key (b) an empty capped bottle (c) a cork (d) an ice-cream stick
12. 12.🛟 Does a coin float or sink in water? (a) sinks (b) floats
13. 13.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) small test objects (d) turmeric powder
15. 15.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a piece of thermocol (c) an ice-cream stick (d) a metal key
16. 16.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
17. 17.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a metal key (d) a dry leaf
19. 19.True or false: a dry leaf sinks in water. (a) True (b) False
20. 20.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a balloon (c) a tub of water (d) a mirror
21. 21.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it floats (c) it sinks (d) it dissolves
22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
23. 23.🧺 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) small test objects (d) a results table
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a tub of water (c) a results table (d) a towel for spills
26. 26.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
27. 27.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
28. 28.⚖️ 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 tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
29. 29.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
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? What do we do with “the shape of the clay”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🔍 Which is the odd one out? (a) a piece of thermocol (b) a cork (c) a glass marble (d) a feather
33. 33.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) it has a magnet (d) its hollow shape
34. 34.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) turmeric powder (d) a tub of water
36. 36.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to win a prize (d) to hide the corks
37. 37.🛟 Which of these floats on water? (a) a cork (b) a pebble (c) an iron nail (d) a steel spoon
38. 38.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
39. 39.🔍 Which is the odd one out? (a) an iron nail (b) a feather (c) an ice cube (d) an ice-cream stick
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a ping-pong ball (c) a pebble (d) an iron nail

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