Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 114 · 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 of these is denser than water? (a) air (b) very salty water (c) an ice cube (d) a ping-pong ball
2. 2.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) cooking oil (c) a spoon (d) honey
3. 3.True or false: an ice cube is denser than water. (a) True (b) False
4. 4.🔮 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) in the oil layer (d) at the very bottom
5. 5.🍯 Is an ice cube denser or less dense than water? (a) denser than water (b) less dense than water
6. 6.🍯 Which of these is denser than water? (a) a cork (b) cooking oil (c) a glass marble (d) air
7. 7.⚖️ 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 glass (b) the same three liquids (c) the order of the layers (d) the order of pouring
8. 8.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
9. 9.🔍 Which is the odd one out? (a) honey (b) a cork (c) an ice cube (d) a ping-pong ball
10. 10.True or false: a coin is denser than water. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) air (b) a coin (c) a glass marble (d) honey
12. 12.🫗 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
13. 13.⚖️ 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
14. 14.⚖️ 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
15. 15.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
16. 16.🧺 Which of these is not needed for the density tower? (a) a spoon (b) water with food colour (c) a balloon (d) cooking oil
17. 17.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
18. 18.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) yeast (b) honey (c) a spoon (d) a tall clear glass
19. 19.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) do not lick the spoon (c) throw the glass (d) pour it on the floor
20. 20.⚖️ 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) True (b) False
21. 21.⚖️ 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
22. 22.🛟 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
23. 23.🔍 Which is the odd one out? (a) very salty water (b) a glass marble (c) a coin (d) cooking oil
24. 24.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
25. 25.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) on top of the oil (c) under the honey (d) in the honey layer
26. 26.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed
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: how much of each liquid is kept the same. (a) False (b) True
28. 28.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) the glass gets hot (c) bubbles of gas (d) three separate layers
29. 29.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
30. 30.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) the spoon (c) cooking oil (d) honey
31. 31.📘 What does “dense” mean? (a) very colourful (b) very thin (c) heavy for its size (d) very hot
32. 32.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a balloon (c) a spoon (d) honey
33. 33.🧺 Which of these is needed for the density tower? (a) yeast (b) a spoon (c) a magnet (d) turmeric powder
34. 34.True or false: a coin is less dense than water. (a) True (b) False
35. 35.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
36. 36.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
37. 37.🧺 Do we need honey for the density tower? (a) not needed (b) needed
38. 38.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
39. 39.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) yeast (c) honey (d) a spoon
40. 40.True or false: a pebble is less dense than water. (a) False (b) True

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