Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 591 · 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.True or false: a cork is denser than water. (a) True (b) False
2. 2.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil makes it rain (c) oil attracts magnets (d) oil turns into honey
3. 3.🍯 Which of these is less dense than water? (a) a coin (b) honey (c) very salty water (d) air
4. 4.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
5. 5.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
6. 6.True or false: a balloon is needed for the density tower. (a) True (b) False
7. 7.🍯 Which of these is denser than water? (a) very salty water (b) a cork (c) cooking oil (d) air
8. 8.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
9. 9.True or false: a glass marble is less dense than water. (a) True (b) False
10. 10.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) water with food colour (c) a spoon (d) a magnet
12. 12.🔮 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
13. 13.🔍 Which is the odd one out? (a) air (b) a glass marble (c) a coin (d) very salty 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 “the same three liquids”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.⚖️ 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
16. 16.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) bubbles of gas (c) one mixed colour (d) three separate layers
17. 17.True or false: honey is needed for the density tower. (a) True (b) False
18. 18.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a spoon (c) a balloon (d) cooking oil
19. 19.⚖️ 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 what we measure. (a) False (b) True
20. 20.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
21. 21.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
22. 22.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) coloured water (c) the spoon (d) cooking oil
23. 23.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) at the very bottom (c) on top of the oil (d) in the water layer
24. 24.⚖️ 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 glass
25. 25.True or false: yeast is needed for the density tower. (a) True (b) False
26. 26.🧺 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) turmeric powder
27. 27.True or false: a pebble is less dense than water. (a) False (b) True
28. 28.True or false: a magnet is not needed for the density tower. (a) False (b) True
29. 29.True or false: water with food colour is not needed for the density tower. (a) True (b) False
30. 30.True or false: turmeric powder is needed for the density tower. (a) True (b) False
31. 31.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the densest (c) it is the coldest (d) it is the stickiest
32. 32.🫗 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
33. 33.🧺 Which of these is needed for the density tower? (a) honey (b) a battery cell (c) a mirror (d) a magnet
34. 34.🧺 Which of these is not needed for the density tower? (a) a spoon (b) a magnet (c) honey (d) cooking oil
35. 35.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a battery cell (c) a spoon (d) honey
36. 36.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
37. 37.🔍 Which is the odd one out? (a) a cork (b) a pebble (c) a coin (d) very salty water
38. 38.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a mirror (c) a spoon (d) a magnet
39. 39.True or false: a magnet is needed for the density tower. (a) True (b) False
40. 40.⚖️ 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 kept the same. (a) True (b) False

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