Density Tower Experiment Worksheet

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

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