Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 666 · 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.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
2. 2.⚖️ 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) False (b) True
3. 3.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the water (d) the tub
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) True (b) False
5. 5.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
6. 6.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an ice cube (c) an empty capped bottle (d) a metal key
7. 7.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
8. 8.🧺 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 battery cell (d) a results table
9. 9.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the small pebble (c) the big log (d) both of them
10. 10.🔍 Which is the odd one out? (a) a dry leaf (b) a piece of thermocol (c) a cork (d) an iron nail
11. 11.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) yeast (d) a balloon
12. 12.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a coin (d) an empty capped bottle
13. 13.🔍 Which is the odd one out? (a) a feather (b) a cork (c) a ping-pong ball (d) a pebble
14. 14.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
15. 15.True or false: a piece of thermocol floats on water. (a) True (b) False
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) small test objects (d) a results table
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.⚖️ 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 keep it the same (b) we measure it (c) we change it
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a towel for spills (d) a results table
20. 20.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
23. 23.🧺 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) a magnet
24. 24.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it can float (c) it turns to stone (d) it dissolves
25. 25.True or false: an ice cube sinks in water. (a) False (b) True
26. 26.⚖️ 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
27. 27.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) sea water is warm (d) it has a magnet
28. 28.True or false: a ball of clay floats on water. (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) small test objects (c) a results table (d) a mirror
30. 30.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) a tub of water (d) a results table
32. 32.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) True (b) False
34. 34.⚖️ 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 shape of the clay (c) whether it floats (d) the kind of clay
35. 35.🔍 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
36. 36.🔍 Which is the odd one out? (a) a glass marble (b) a cork (c) a pebble (d) a steel spoon
37. 37.🛟 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 splash everyone (d) to keep children safe
38. 38.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
39. 39.⚖️ 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
40. 40.⚖️ 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 shape of the clay (c) the kind of clay (d) whether it floats

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