Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 977 · 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 a mirror for the float-or-sink test? (a) needed (b) not needed
2. 2.🛟 Which of these sinks in water? (a) a dry leaf (b) an empty capped bottle (c) a coin (d) an ice-cream stick
3. 3.⚖️ 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
4. 4.⚖️ 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
5. 5.⚖️ 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
6. 6.True or false: a steel spoon floats on water. (a) False (b) True
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) turmeric powder (c) a tub of water (d) small test objects
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.True or false: a ball of clay sinks in water. (a) False (b) True
10. 10.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a dry leaf (c) a feather (d) an iron nail
11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) a magnet
12. 12.⚖️ 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 keep it the same (c) we measure it
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a magnet (d) a tub of water
14. 14.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to splash everyone (d) to win a prize
15. 15.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a balloon (c) a towel for spills (d) a tub of water
16. 16.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the kind of clay
19. 19.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
22. 22.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) a ball of clay (d) an ice cube
23. 23.⚖️ 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
24. 24.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
25. 25.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the small pebble (c) both of them (d) the big log
26. 26.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a balloon (d) a tub of water
27. 27.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
28. 28.⚖️ 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 shape of the clay (b) the tub of water (c) the kind of clay (d) the amount of clay
29. 29.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
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 what we measure. (a) True (b) False
31. 31.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
32. 32.🛟 Which of these floats on water? (a) a cork (b) an iron nail (c) a steel spoon (d) a pebble
33. 33.🧺 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) a battery cell
34. 34.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) an iron nail (b) a metal key (c) a dry leaf (d) a coin
36. 36.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
37. 37.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it floats (c) it bounces up (d) it dissolves
38. 38.🧊 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
39. 39.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
40. 40.🛟 Which of these floats on water? (a) a coin (b) an ice-cream stick (c) a pebble (d) an iron nail

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