Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 612 · 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 tub of water is needed for the float-or-sink test. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) a metal key (c) a glass marble (d) an ice cube
3. 3.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
4. 4.🛟 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
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
6. 6.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
7. 7.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) an iron nail (d) a feather
8. 8.🧊 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
9. 9.⚖️ 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 shape of the clay (c) the amount of clay
10. 10.🛟 Which of these floats on water? (a) a pebble (b) a ball of clay (c) a cork (d) an iron nail
11. 11.⚖️ 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
12. 12.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it can float (d) it sinks faster
13. 13.⚖️ 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
14. 14.🔍 Which is the odd one out? (a) an ice cube (b) a cork (c) a metal key (d) an ice-cream stick
15. 15.🛟 Does a cork float or sink in water? (a) sinks (b) floats
16. 16.⚖️ 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
17. 17.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
18. 18.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) sea water is warm (d) its hollow shape
19. 19.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it dissolves (c) it still floats (d) it sinks
20. 20.🧺 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) yeast (d) a tub of water
21. 21.⚖️ 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 kind of clay (c) the shape of the clay
22. 22.🛟 Which of these floats on water? (a) an iron nail (b) a ball of clay (c) a pebble (d) an ice-cream stick
23. 23.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
24. 24.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) turmeric powder (d) a tub of water
25. 25.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the shape of the clay (c) whether it floats (d) the kind of clay
27. 27.True or false: an iron nail floats on water. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a feather (b) an ice cube (c) a ping-pong ball (d) a pebble
29. 29.⚖️ 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 change it (b) we keep it the same (c) we measure it
30. 30.🥚 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
31. 31.⚖️ 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) the tub of water (c) whether it floats
32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) yeast (d) a balloon
33. 33.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a glass marble (b) a cork (c) a ball of clay (d) a coin
36. 36.🌊 What pushes a floating cork upward? (a) the air above (b) the cork itself (c) the water (d) the tub
37. 37.🔍 Which is the odd one out? (a) an ice-cream stick (b) a cork (c) a dry leaf (d) a steel spoon
38. 38.⚖️ 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) True (b) False
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a ball of clay (d) an empty capped bottle

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