Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 123 · 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.🔍 Which is the odd one out? (a) a ping-pong ball (b) honey (c) an ice cube (d) cooking oil
2. 2.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) in the honey layer (c) on top of the oil (d) under the honey
3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a tall clear glass (c) a battery cell (d) honey
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: how much of each liquid is the one thing we change. (a) True (b) False
5. 5.⚖️ 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
6. 6.⚖️ 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 what we measure. (a) True (b) False
7. 7.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a battery cell (c) honey (d) a magnet
8. 8.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
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 keep it the same (c) we change it
10. 10.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
11. 11.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is the one thing we change? (a) the same three liquids (b) the order of the layers (c) how much of each liquid (d) the order of pouring
12. 12.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
13. 13.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a tall clear glass (c) water with food colour (d) turmeric powder
14. 14.🧺 Which of these is not needed for the density tower? (a) honey (b) a magnet (c) water with food colour (d) cooking oil
15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a magnet (c) a spoon (d) water with food colour
16. 16.🧺 Which of these is needed for the density tower? (a) a mirror (b) a spoon (c) turmeric powder (d) a magnet
17. 17.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
18. 18.⚖️ 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 measure it (c) we keep it the same
19. 19.🔍 Which is the odd one out? (a) honey (b) very salty water (c) cooking oil (d) a coin
20. 20.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) oil makes it rain (c) spilled oil is slippery (d) oil attracts magnets
21. 21.🍯 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
22. 22.⚖️ 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
23. 23.🍯 Which of these is denser than water? (a) a cork (b) a ping-pong ball (c) a coin (d) cooking oil
24. 24.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
25. 25.🧺 Do we need honey for the density tower? (a) needed (b) not needed
26. 26.🧺 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) yeast
27. 27.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a balloon (c) cooking oil (d) honey
28. 28.True or false: a magnet is needed for the density tower. (a) True (b) False
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 pouring (b) the order of the layers (c) how much of each liquid
30. 30.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
31. 31.True or false: very salty water is denser than water. (a) False (b) True
32. 32.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) in the water layer (c) at the very bottom (d) on top of the oil
33. 33.True or false: a glass marble is denser than water. (a) False (b) True
34. 34.🍯 Which of these is less dense than water? (a) a coin (b) an ice cube (c) a pebble (d) very salty water
35. 35.True or false: air is denser than water. (a) False (b) True
36. 36.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the density tower? (a) honey (b) yeast (c) cooking oil (d) a spoon
39. 39.🔍 Which layer is on top in the honey-water-oil tower? (a) the spoon (b) honey (c) cooking oil (d) coloured water
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) False (b) True

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