Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 698 · 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.⚖️ 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) the shape of the clay (c) whether it floats
2. 2.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
3. 3.🧺 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) a tub of water (d) a battery cell
4. 4.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the amount of clay (c) the tub of water (d) the shape of the clay
6. 6.🛟 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
7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
8. 8.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) leave water on the floor (d) run around the tub
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a coin (d) an ice cube
11. 11.True or false: an ice-cream stick sinks in water. (a) False (b) True
12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a tub of water (d) a results table
13. 13.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
14. 14.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it sinks (c) it dissolves (d) it floats
15. 15.⚖️ 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
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) a towel for spills (d) yeast
17. 17.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
18. 18.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a dry leaf (c) a glass marble (d) an ice-cream stick
19. 19.⚖️ 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 change it (b) we keep it the same (c) we measure it
20. 20.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
21. 21.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
22. 22.🥚 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
23. 23.⚖️ 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 keep it the same (c) we change it
24. 24.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a piece of thermocol (b) a metal key (c) a ping-pong ball (d) an empty capped bottle
26. 26.🧊 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
27. 27.🛟 Does a cork float or sink in water? (a) floats (b) sinks
28. 28.🛟 Which of these floats on water? (a) a ping-pong ball (b) a ball of clay (c) a glass marble (d) a pebble
29. 29.True or false: a metal key sinks in water. (a) True (b) False
30. 30.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the tub (d) the cork itself
31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) small test objects (c) a tub of water (d) a results table
32. 32.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it melts (c) it turns blue (d) it sinks
33. 33.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
34. 34.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) both of them (c) neither of them (d) the big log
35. 35.True or false: a tub of water 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? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the amount of clay
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) whether it floats (c) the kind of clay (d) the tub of water
38. 38.🧺 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) small test objects
39. 39.🛟 Does a coin float or sink in water? (a) sinks (b) floats
40. 40.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks

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