Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 888 · 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? What do we do with “the kind of clay”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.⚖️ 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) the amount of clay (c) the shape of the clay (d) the kind of clay
3. 3.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
4. 4.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
5. 5.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
6. 6.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) lots of salt stirred in (c) more plain water (d) a little shaking
7. 7.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
8. 8.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
10. 10.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
11. 11.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) the small pebble (d) neither of them
12. 12.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to keep children safe (d) to hide the corks
13. 13.🧺 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) turmeric powder (d) a tub of water
14. 14.🧺 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) turmeric powder
15. 15.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
16. 16.🛟 Which of these sinks in water? (a) a feather (b) a ball of clay (c) a cork (d) an ice-cream stick
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a magnet (c) yeast (d) a balloon
18. 18.🔍 Which is the odd one out? (a) a cork (b) an ice-cream stick (c) a ball of clay (d) a feather
19. 19.⚖️ 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) False (b) True
20. 20.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
21. 21.True or false: a ball of clay sinks in water. (a) False (b) True
22. 22.🛟 Which of these floats on water? (a) a metal key (b) a pebble (c) a cork (d) a glass marble
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) small test objects (d) a tub of water
24. 24.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a balloon (c) a magnet (d) turmeric powder
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a towel for spills (d) a results table
27. 27.🛟 Which of these floats on water? (a) a metal key (b) a ball of clay (c) a piece of thermocol (d) a glass marble
28. 28.⚖️ 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
29. 29.⚖️ 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 keep it the same (b) we change it (c) we measure it
30. 30.🛟 Which of these sinks in water? (a) a feather (b) a ping-pong ball (c) a pebble (d) an ice cube
31. 31.⚖️ 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
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a glass marble (c) an iron nail (d) a dry leaf
34. 34.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is less dense (c) ice is magnetic (d) ice is very cold
35. 35.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
36. 36.⚖️ 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) False (b) True
37. 37.🛟 Does a cork float or sink in water? (a) sinks (b) floats
38. 38.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a battery cell (c) a results table (d) a tub of water
39. 39.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it turns blue (d) it floats higher
40. 40.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids