Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 538 · 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: an ice-cream stick sinks in water. (a) True (b) False
2. 2.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
3. 3.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
4. 4.True or false: a ping-pong ball sinks in water. (a) False (b) True
5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) yeast (d) a towel for spills
6. 6.⚖️ 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
7. 7.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ball of clay (c) a dry leaf (d) a ping-pong ball
8. 8.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
9. 9.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) ice is less dense (d) water is sticky
10. 10.⚖️ 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
11. 11.True or false: a ball of clay floats on water. (a) True (b) False
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) a tub of water (d) a results table
13. 13.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it floats higher (d) it melts
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) turmeric powder (c) small test objects (d) a tub of water
15. 15.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
16. 16.🛟 Which of these sinks in water? (a) a cork (b) a piece of thermocol (c) a pebble (d) an ice-cream stick
17. 17.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a magnet (c) a tub of water (d) a results table
18. 18.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) lots of salt stirred in (d) a little shaking
19. 19.🔍 Which is the odd one out? (a) a ball of clay (b) a coin (c) a metal key (d) a dry leaf
20. 20.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a cork (d) a ball of clay
21. 21.⚖️ 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 measure it (b) we change it (c) we keep it the same
22. 22.True or false: a cork sinks in water. (a) False (b) True
23. 23.⚖️ 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 change it (b) we measure it (c) we keep it the same
24. 24.True or false: a pebble floats on water. (a) False (b) True
25. 25.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a results table (d) a mirror
27. 27.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) the small pebble (d) neither of them
28. 28.True or false: a steel spoon sinks in water. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a cork (b) a dry leaf (c) a steel spoon (d) an ice cube
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a balloon (d) a towel for spills
31. 31.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
32. 32.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) play near a deep pond (d) leave water on the floor
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) whether it floats (c) the shape of the clay
34. 34.⚖️ 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) whether it floats (d) the tub of water
35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a results table (d) a magnet
36. 36.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
37. 37.🛟 Which of these sinks in water? (a) an iron nail (b) a ping-pong ball (c) a dry leaf (d) a cork
38. 38.⚖️ 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 measure it (b) we keep it the same (c) we change it
39. 39.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it dissolves (c) it sinks (d) it floats
40. 40.🛟 Which of these floats on water? (a) an empty capped bottle (b) a steel spoon (c) a coin (d) a glass marble

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