Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 170 · 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.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
2. 2.🧺 Which of these is needed for the density tower? (a) a balloon (b) a magnet (c) water with food colour (d) a mirror
3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) yeast (d) a tall clear glass
4. 4.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) a tall clear glass (d) a balloon
5. 5.True or false: a ping-pong ball is denser than water. (a) True (b) False
6. 6.True or false: cooking oil is denser than water. (a) True (b) False
7. 7.🍯 Which of these is less dense than water? (a) a glass marble (b) very salty water (c) air (d) honey
8. 8.🔮 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
9. 9.⚖️ 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 glass (b) the same three liquids (c) the order of pouring (d) how much of each liquid
10. 10.⚖️ 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 change it (c) we measure it
11. 11.True or false: honey is not needed for the density tower. (a) True (b) False
12. 12.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) turmeric powder (c) cooking oil (d) water with food colour
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 “the order of the layers”? (a) we keep it the same (b) we change it (c) we measure it
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 “how much of each liquid”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🔍 Which layer is on top in the honey-water-oil tower? (a) the spoon (b) cooking oil (c) honey (d) coloured water
16. 16.True or false: cooking oil is not needed for the density tower. (a) False (b) True
17. 17.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
18. 18.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a balloon (c) a magnet (d) a spoon
19. 19.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
20. 20.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is hot (c) oil is heavier (d) oil is sticky
21. 21.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
22. 22.🍯 Which of these is denser than water? (a) a cork (b) an ice cube (c) a ping-pong ball (d) very salty water
23. 23.⚖️ 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
24. 24.True or false: yeast is needed for the density tower. (a) False (b) True
25. 25.⚖️ 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 what we measure. (a) False (b) True
26. 26.True or false: a ping-pong ball is less dense than water. (a) True (b) False
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 what we measure. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a pebble (b) cooking oil (c) a cork (d) an ice cube
29. 29.True or false: a glass marble is less dense than water. (a) True (b) False
30. 30.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) bubbles of gas (c) the glass gets hot (d) three separate layers
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) honey (d) cooking oil
32. 32.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) spilled oil is slippery (c) oil attracts magnets (d) oil makes it rain
33. 33.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) water with food colour (c) a tall clear glass (d) a magnet
34. 34.🔍 Which is the odd one out? (a) a pebble (b) very salty water (c) an ice cube (d) a coin
35. 35.True or false: cooking oil is needed for the density tower. (a) False (b) True
36. 36.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a tall clear glass (c) yeast (d) a balloon
38. 38.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a balloon (b) cooking oil (c) honey (d) a tall clear glass
39. 39.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
40. 40.🧺 Which of these is needed for the density tower? (a) cooking oil (b) yeast (c) turmeric powder (d) a mirror

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