Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 918 · 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.True or false: a piece of thermocol sinks in water. (a) False (b) True
2. 2.⚖️ 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
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a towel for spills (d) turmeric powder
5. 5.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it still floats (d) it turns white
6. 6.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
7. 7.🛟 Which of these sinks in water? (a) a cork (b) a steel spoon (c) a ping-pong ball (d) a piece of thermocol
8. 8.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a towel for spills (c) a mirror (d) a balloon
10. 10.⚖️ 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) the tub of water (c) the amount of clay (d) whether it floats
11. 11.True or false: a dry leaf floats on water. (a) False (b) True
12. 12.⚖️ 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) True (b) False
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 tub of water (d) a battery cell
14. 14.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a tub of water (d) a balloon
16. 16.⚖️ 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) True (b) False
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a mirror (d) yeast
18. 18.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it floats higher (c) it sinks (d) it turns blue
19. 19.True or false: a ping-pong ball sinks in water. (a) True (b) False
20. 20.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) more plain water (d) a few ice cubes
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a balloon (d) a results table
22. 22.True or false: an ice-cream stick floats on water. (a) False (b) True
23. 23.⚖️ 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
24. 24.⚖️ 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
25. 25.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
26. 26.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a glass marble (b) a pebble (c) a coin (d) an ice-cream stick
28. 28.🧺 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 results table (d) a tub of water
29. 29.⚖️ 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
30. 30.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
31. 31.True or false: a piece of thermocol floats on water. (a) False (b) True
32. 32.⚖️ 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 measure it (c) we change it
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
34. 34.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a tub of water (d) a magnet
36. 36.🔍 Which is the odd one out? (a) a piece of thermocol (b) a cork (c) a pebble (d) an empty capped bottle
37. 37.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a tub of water (d) turmeric powder
38. 38.⚖️ 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 measure it (b) we change it (c) we keep it the same
39. 39.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the air above (d) the water
40. 40.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed

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