Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 726 · 40 questions

What you do (Heaviest for its size sinks): 1. Pour honey slowly into the glass to fill about a quarter. 2. Pour coloured water gently down the side of the glass. 3. Pour the cooking oil gently on top and watch the layers settle. 4. Gently drop in a cork and a coin, see where each stops, and wipe up oil spills.

1. 1.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
2. 2.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
3. 3.True or false: a glass marble is denser than water. (a) True (b) False
4. 4.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the order of the layers is kept the same. (a) False (b) True
5. 5.True or false: cooking oil is not needed for the density tower. (a) True (b) False
6. 6.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the order of the layers”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
8. 8.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) pour it on the floor (c) taste each layer (d) do not lick the spoon
9. 9.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they turn to honey (c) they separate again (d) they become solid
10. 10.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
11. 11.🍯 Which of these is less dense than water? (a) a pebble (b) honey (c) a glass marble (d) an ice cube
12. 12.🍯 Which of these is denser than water? (a) an ice cube (b) a coin (c) cooking oil (d) a cork
13. 13.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
14. 14.True or false: a ping-pong ball is denser than water. (a) True (b) False
15. 15.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
16. 16.🧺 Which of these is needed for the density tower? (a) a mirror (b) a magnet (c) yeast (d) honey
17. 17.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the order of pouring”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.🧺 Which of these is needed for the density tower? (a) a mirror (b) a battery cell (c) yeast (d) a spoon
19. 19.🧺 Which of these is needed for the density tower? (a) a battery cell (b) turmeric powder (c) a tall clear glass (d) a magnet
20. 20.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) on top of the oil (b) in the water layer (c) in the honey layer (d) under the honey
21. 21.🍯 Which of these is less dense than water? (a) honey (b) very salty water (c) cooking oil (d) a pebble
22. 22.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the oil layer (c) in the water layer (d) at the very bottom
23. 23.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is what we measure? (a) the order of the layers (b) the same glass (c) the same three liquids (d) the order of pouring
24. 24.True or false: a spoon is not needed for the density tower. (a) False (b) True
25. 25.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
26. 26.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the same glass is the one thing we change. (a) True (b) False
27. 27.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a magnet (c) honey (d) a tall clear glass
28. 28.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the stickiest (c) it is the coldest (d) it is the densest
29. 29.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is kept the same? (a) the order of the layers (b) the order of pouring (c) the same three liquids
30. 30.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a mirror (c) a tall clear glass (d) water with food colour
31. 31.🔍 Which is the odd one out? (a) an ice cube (b) a ping-pong ball (c) a glass marble (d) air
32. 32.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
33. 33.True or false: a magnet is needed for the density tower. (a) True (b) False
34. 34.True or false: a spoon is needed for the density tower. (a) True (b) False
35. 35.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the same three liquids”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.🍯 Which of these is denser than water? (a) an ice cube (b) cooking oil (c) air (d) a glass marble
37. 37.True or false: cooking oil is less dense than water. (a) False (b) True
38. 38.🍯 Which of these is less dense than water? (a) a coin (b) a pebble (c) a glass marble (d) a ping-pong ball
39. 39.🔍 Which is the odd one out? (a) cooking oil (b) a ping-pong ball (c) a cork (d) honey
40. 40.🔍 Which layer is on top in the honey-water-oil tower? (a) the spoon (b) coloured water (c) cooking oil (d) honey

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