Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 173 · 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 needed for the float-or-sink test? (a) a magnet (b) turmeric powder (c) a battery cell (d) a towel for spills
2. 2.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) its hollow shape (d) it has a magnet
3. 3.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it floats higher (c) it sinks (d) it turns blue
4. 4.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
5. 5.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
6. 6.True or false: a metal key floats on water. (a) True (b) False
7. 7.🧺 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
8. 8.🛟 Does a coin float or sink in water? (a) floats (b) sinks
9. 9.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) turmeric powder (d) a tub of water
11. 11.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) more plain water (d) a little shaking
12. 12.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) small test objects (d) turmeric powder
15. 15.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
16. 16.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
17. 17.🛟 Does a feather float or sink in water? (a) sinks (b) floats
18. 18.🧺 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
19. 19.⚖️ 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 kind of clay (c) the shape of the clay
20. 20.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
21. 21.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
22. 22.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
23. 23.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
24. 24.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
25. 25.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
26. 26.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
27. 27.⚖️ 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 change it (b) we keep it the same (c) we measure it
28. 28.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
29. 29.🧺 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) a towel for spills (d) a magnet
30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a battery cell (c) yeast (d) small test objects
31. 31.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
32. 32.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) an iron nail (d) a feather
33. 33.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
34. 34.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the air above (d) the tub
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
36. 36.True or false: a piece of thermocol sinks in water. (a) False (b) True
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) True (b) False
38. 38.⚖️ 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) whether it floats (c) the tub of water (d) the shape of the clay
39. 39.🔍 Which is the odd one out? (a) an ice cube (b) a ball of clay (c) a cork (d) a piece of thermocol
40. 40.🛟 Which of these sinks in water? (a) an ice cube (b) a pebble (c) a feather (d) a cork

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