Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 765 · 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 cork (b) air (c) a glass marble (d) cooking oil
2. 2.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
3. 3.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) water with food colour (c) a magnet (d) honey
5. 5.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the coldest (d) it is the densest
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: the same three liquids is what we measure. (a) True (b) False
7. 7.⚖️ 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 measure it (b) we change it (c) we keep it the same
8. 8.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
9. 9.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
10. 10.⚖️ 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
11. 11.True or false: cooking oil is needed for the density tower. (a) False (b) True
12. 12.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a tall clear glass (c) a spoon (d) a balloon
13. 13.🛟 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
14. 14.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
15. 15.🍯 Which of these is less dense than water? (a) an ice cube (b) very salty water (c) a pebble (d) honey
16. 16.True or false: a glass marble is less dense than water. (a) False (b) True
17. 17.🧺 Do we need a balloon 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? True or false: the same glass is the one thing we change. (a) True (b) False
19. 19.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
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: how much of each liquid is the one thing we change. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a ping-pong ball (b) a cork (c) cooking oil (d) very salty water
22. 22.True or false: yeast is not needed for the density tower. (a) True (b) False
23. 23.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a cork (c) cooking oil (d) very salty water
24. 24.🍯 Which of these is less dense than water? (a) a glass marble (b) air (c) a pebble (d) honey
25. 25.🧺 Which of these is not needed for the density tower? (a) a spoon (b) turmeric powder (c) water with food colour (d) honey
26. 26.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) at the very bottom (c) in the oil layer (d) in the water layer
27. 27.🧺 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 mirror
28. 28.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
29. 29.📘 What does “dense” mean? (a) very colourful (b) very thin (c) very hot (d) heavy for its size
30. 30.True or false: a magnet is needed for the density tower. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) very salty water (b) a cork (c) honey (d) a pebble
32. 32.True or false: a balloon is needed for the density tower. (a) True (b) False
33. 33.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed
34. 34.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
35. 35.⚖️ 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 pouring (b) how much of each liquid (c) the same three liquids (d) the order of the layers
36. 36.⚖️ 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 three liquids (b) the order of the layers (c) the same glass (d) how much of each liquid
37. 37.🔍 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
38. 38.⚖️ 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) True (b) False
39. 39.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) the spoon (c) honey (d) cooking oil
40. 40.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the honey layer (c) in the water layer (d) on top of the oil

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