Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 911 · 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.⚖️ 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 the one thing we change. (a) True (b) False
2. 2.True or false: cooking oil is needed for the density tower. (a) False (b) True
3. 3.🍯 Which of these is less dense than water? (a) a glass marble (b) a pebble (c) honey (d) an ice cube
4. 4.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
5. 5.⚖️ 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) True (b) False
6. 6.True or false: a battery cell is not needed for the density tower. (a) True (b) False
7. 7.🧺 Which of these is needed for the density tower? (a) a balloon (b) yeast (c) water with food colour (d) a magnet
8. 8.🧺 Which of these is needed for the density tower? (a) yeast (b) honey (c) turmeric powder (d) a balloon
9. 9.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
10. 10.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
11. 11.⚖️ 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 change it (c) we measure it
12. 12.🧺 Which of these is not needed for the density tower? (a) honey (b) water with food colour (c) a balloon (d) a spoon
13. 13.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
14. 14.True or false: water with food colour is not needed for the density tower. (a) True (b) False
15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a magnet (c) a tall clear glass (d) a spoon
16. 16.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil attracts magnets (c) oil turns into honey (d) oil makes it rain
17. 17.⚖️ 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 same three liquids (b) how much of each liquid (c) the same glass (d) the order of the layers
18. 18.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a balloon (b) honey (c) cooking oil (d) a spoon
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) water with food colour (c) a tall clear glass (d) a battery cell
20. 20.True or false: cooking oil 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) at the very bottom (b) in the water layer (c) in the oil layer (d) on top of the oil
22. 22.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
23. 23.🔍 Which is the odd one out? (a) a cork (b) cooking oil (c) an ice cube (d) very salty water
24. 24.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a mirror (c) honey (d) cooking oil
25. 25.🍯 Which of these is less dense than water? (a) a pebble (b) very salty water (c) a glass marble (d) cooking oil
26. 26.🔮 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) under the honey (d) in the honey layer
27. 27.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) a coin (d) air
28. 28.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they mix for ever (c) they turn to honey (d) they separate again
29. 29.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) cooking oil (c) the spoon (d) coloured water
30. 30.⚖️ 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 the one thing we change. (a) False (b) True
31. 31.True or false: a spoon is needed for the density tower. (a) False (b) True
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 order of the layers”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.🧺 Which of these is not needed for the density tower? (a) a mirror (b) a tall clear glass (c) cooking oil (d) honey
34. 34.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
35. 35.True or false: a pebble is less dense than water. (a) False (b) True
36. 36.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
37. 37.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
38. 38.🍯 Which of these is denser than water? (a) a cork (b) cooking oil (c) an ice cube (d) honey
39. 39.🍯 Which of these is denser than water? (a) air (b) a ping-pong ball (c) cooking oil (d) a coin
40. 40.🧺 Do we need water with food colour for the density tower? (a) needed (b) not needed

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