Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 488 · 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.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) spilled oil is slippery (c) oil makes it rain (d) oil attracts magnets
2. 2.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a tall clear glass (c) cooking oil (d) a magnet
3. 3.True or false: air is denser than water. (a) True (b) False
4. 4.🧺 Which of these is not needed for the density tower? (a) honey (b) a mirror (c) a spoon (d) cooking oil
5. 5.True or false: cooking oil is not needed for the density tower. (a) False (b) True
6. 6.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed
7. 7.⚖️ 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 keep it the same (b) we measure it (c) we change it
8. 8.True or false: a magnet is needed for the density tower. (a) False (b) True
9. 9.⚖️ 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 measure it (b) we change it (c) we keep it the same
10. 10.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
11. 11.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
12. 12.⚖️ 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) how much of each liquid (b) the order of pouring (c) the same glass (d) the order of the layers
13. 13.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
14. 14.⚖️ 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 “how much of each liquid”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
16. 16.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) cooking oil (c) the spoon (d) coloured water
17. 17.⚖️ 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 pouring is the one thing we change. (a) False (b) True
18. 18.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
19. 19.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
20. 20.True or false: a glass marble is denser than water. (a) False (b) True
21. 21.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) on top of the oil (c) at the very bottom (d) in the oil layer
22. 22.🧺 Which of these is needed for the density tower? (a) yeast (b) turmeric powder (c) water with food colour (d) a mirror
23. 23.🍯 Which of these is denser than water? (a) air (b) cooking oil (c) a cork (d) a pebble
24. 24.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
25. 25.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: how much of each liquid is the one thing we change. (a) False (b) True
26. 26.🍯 Which of these is less dense than water? (a) a glass marble (b) a coin (c) air (d) very salty water
27. 27.⚖️ 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 pouring is what we measure. (a) False (b) True
28. 28.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) on top of the oil (c) under the honey (d) in the water layer
29. 29.🧺 Which of these is needed for the density tower? (a) a battery cell (b) yeast (c) a tall clear glass (d) turmeric powder
30. 30.⚖️ 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
31. 31.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
32. 32.🍯 Which of these is less dense than water? (a) a pebble (b) very salty water (c) a coin (d) cooking oil
33. 33.⚖️ 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 keep it the same (b) we measure it (c) we change it
34. 34.⚖️ 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 three liquids is what we measure. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) very salty water (b) air (c) an ice cube (d) a cork
36. 36.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
37. 37.True or false: a glass marble is less dense than water. (a) False (b) True
38. 38.True or false: cooking oil is needed for the density tower. (a) False (b) True
39. 39.True or false: a mirror is not needed for the density tower. (a) True (b) False
40. 40.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is less dense (c) oil is sticky (d) oil is heavier

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