Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 517 · 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) a tub of water (b) a results table (c) a towel for spills (d) yeast
2. 2.⚖️ 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 kind of clay (b) the amount of clay (c) the shape of the clay (d) the tub of water
3. 3.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) both of them (d) the small pebble
4. 4.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
5. 5.True or false: a ball of clay sinks in water. (a) False (b) True
6. 6.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is very cold (c) ice is magnetic (d) water is sticky
7. 7.⚖️ 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 kind of clay
8. 8.⚖️ 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) False (b) True
9. 9.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a results table (c) a mirror (d) a balloon
11. 11.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
12. 12.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
13. 13.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it dissolves (c) it can float (d) it turns to stone
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) turmeric powder (c) a battery cell (d) a magnet
15. 15.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
16. 16.🔍 Which is the odd one out? (a) a ping-pong ball (b) a ball of clay (c) a coin (d) a pebble
17. 17.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
18. 18.⚖️ 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
19. 19.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
20. 20.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) more plain water (c) a little shaking (d) a few ice cubes
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) a tub of water (d) a results table
23. 23.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a battery cell (c) a towel for spills (d) a tub of water
26. 26.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a magnet
27. 27.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
28. 28.⚖️ 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) False (b) True
29. 29.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
30. 30.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
31. 31.True or false: an ice cube sinks in water. (a) True (b) False
32. 32.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it sinks (d) it dissolves
33. 33.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) yeast (d) a magnet
34. 34.🔍 Which is the odd one out? (a) a dry leaf (b) an ice-cream stick (c) a metal key (d) an empty capped bottle
35. 35.🛟 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
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a results table (c) a tub of water (d) a towel for spills
37. 37.🚢 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
38. 38.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
39. 39.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
40. 40.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed

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