Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 437 · 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.🥚 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
2. 2.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
3. 3.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it turns blue (c) it sinks (d) it floats higher
4. 4.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) neither of them (d) both of them
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a towel for spills (d) turmeric powder
6. 6.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
7. 7.🛟 Does a coin float or sink in water? (a) sinks (b) floats
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) whether it floats (c) the tub of water (d) the shape of the clay
9. 9.⚖️ 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
10. 10.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) water is sticky (d) ice is less dense
11. 11.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a tub of water (d) a balloon
12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
13. 13.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
14. 14.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it turns white (d) it dissolves
15. 15.⚖️ 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 kind of clay (d) the shape of the clay
16. 16.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
17. 17.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
18. 18.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
19. 19.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a tub of water (c) small test objects (d) a towel for spills
22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) whether it floats (c) the shape of the clay
23. 23.⚖️ 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 change it (c) we keep it the same
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) False (b) True
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a battery cell (c) a mirror (d) yeast
26. 26.🛟 Which of these sinks in water? (a) a feather (b) an iron nail (c) an empty capped bottle (d) a piece of thermocol
27. 27.True or false: an ice-cream stick sinks in water. (a) True (b) False
28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) turmeric powder (d) small test objects
29. 29.🛟 Which of these sinks in water? (a) a feather (b) a ball of clay (c) an ice cube (d) a cork
30. 30.⚖️ 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) 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 amount of clay”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
33. 33.⚖️ 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 change it (b) we keep it the same (c) we measure it
34. 34.⚖️ 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 keep it the same (b) we change it (c) we measure it
35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a tub of water (c) a results table (d) small test objects
36. 36.⚖️ 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
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) a towel for spills (d) a tub of water
39. 39.🧺 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 magnet (d) a tub of water
40. 40.🔍 Which is the odd one out? (a) a ball of clay (b) a feather (c) a cork (d) a ping-pong ball

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