Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 672 · 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) a little shaking (b) a few ice cubes (c) lots of salt stirred in (d) more plain water
2. 2.True or false: a cork floats on water. (a) True (b) False
3. 3.🔮 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
4. 4.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a glass marble (d) an ice-cream stick
5. 5.⚖️ 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
6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the tub of water (c) the shape of the clay
7. 7.🌊 What pushes a floating cork upward? (a) the water (b) the tub (c) the air above (d) the cork itself
8. 8.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
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.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
11. 11.🛟 Which of these floats on water? (a) a ball of clay (b) a glass marble (c) an empty capped bottle (d) a pebble
12. 12.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
13. 13.⚖️ 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
14. 14.🛟 Which of these floats on water? (a) an iron nail (b) a coin (c) a ball of clay (d) a ping-pong ball
15. 15.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
16. 16.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it dissolves (c) it floats (d) it bounces up
17. 17.True or false: a dry leaf floats on water. (a) True (b) False
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a balloon (d) turmeric powder
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.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) yeast (d) a results table
21. 21.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to hide the corks (d) to win a prize
22. 22.True or false: a cork sinks in water. (a) True (b) False
23. 23.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
24. 24.⚖️ 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) the amount of clay (c) the shape of the clay (d) whether it floats
25. 25.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
26. 26.🛟 Which of these sinks in water? (a) a ball of clay (b) a dry leaf (c) an ice cube (d) a piece of thermocol
27. 27.True or false: a glass marble floats on water. (a) True (b) False
28. 28.True or false: a pebble sinks in water. (a) True (b) False
29. 29.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
30. 30.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) a magnet (d) a battery cell
32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a tub of water (d) a balloon
33. 33.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) yeast (d) a mirror
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a feather (b) a pebble (c) a dry leaf (d) an ice-cream stick
36. 36.⚖️ 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
37. 37.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
38. 38.🔍 Which is the odd one out? (a) a piece of thermocol (b) an empty capped bottle (c) an ice-cream stick (d) a steel spoon
39. 39.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) an iron nail (b) an empty capped bottle (c) an ice cube (d) an ice-cream stick

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