Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 591 · 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.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a magnet (c) a balloon (d) a results table
3. 3.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) an iron nail (d) a coin
4. 4.⚖️ 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) True (b) False
5. 5.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
6. 6.⚖️ 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) True (b) False
7. 7.⚖️ 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 measure it (b) we keep it the same (c) we change it
8. 8.⚖️ 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 change it (c) we measure it
9. 9.True or false: an ice-cream stick floats on water. (a) False (b) True
10. 10.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) a tub of water (d) a results table
12. 12.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) more plain water (c) a little shaking (d) lots of salt stirred in
13. 13.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
14. 14.⚖️ 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 change it (c) we keep it the same
15. 15.True or false: a ball of clay sinks in water. (a) True (b) False
16. 16.⚖️ 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) False (b) True
17. 17.🛟 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
18. 18.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the tub (d) the cork itself
19. 19.True or false: a cork sinks in water. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) an ice cube (b) a cork (c) a steel spoon (d) a dry leaf
21. 21.⚖️ 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
22. 22.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) play near a deep pond (d) leave water on the floor
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
25. 25.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it floats higher (c) it turns blue (d) it sinks
26. 26.🔍 Which is the odd one out? (a) a feather (b) a coin (c) an ice cube (d) an empty capped bottle
27. 27.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) small test objects (c) a mirror (d) a battery cell
28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a battery cell (c) a towel for spills (d) a results table
29. 29.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it sinks (d) it turns white
30. 30.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a towel for spills (d) a balloon
32. 32.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a ball of clay (c) an ice cube (d) a dry leaf
33. 33.⚖️ 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
34. 34.True or false: a coin sinks in water. (a) False (b) True
35. 35.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
36. 36.⚖️ 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
37. 37.🛟 Which of these floats on water? (a) an iron nail (b) a metal key (c) a cork (d) a steel spoon
38. 38.🔍 Which is the odd one out? (a) a dry leaf (b) a cork (c) an empty capped bottle (d) an iron nail
39. 39.🧊 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
40. 40.True or false: a dry leaf sinks in water. (a) True (b) False

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