Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 194 · 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 spoon for the density tower? (a) not needed (b) needed
2. 2.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) oil attracts magnets (c) spilled oil is slippery (d) oil makes it rain
3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) a spoon (c) honey (d) cooking oil
4. 4.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
5. 5.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
6. 6.⚖️ 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) the same glass
7. 7.🍯 Is an ice cube denser or less dense than water? (a) denser than water (b) less dense than water
8. 8.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) coloured water (c) the spoon (d) honey
9. 9.🧺 Do we need honey for the density tower? (a) needed (b) not needed
10. 10.🍯 Which of these is less dense than water? (a) cooking oil (b) a glass marble (c) very salty water (d) a coin
11. 11.True or false: a magnet is not needed for the density tower. (a) False (b) True
12. 12.True or false: air is less dense than water. (a) False (b) True
13. 13.⚖️ 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
14. 14.🔮 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 water layer (d) in the oil layer
15. 15.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
16. 16.⚖️ 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) False (b) True
17. 17.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a spoon (c) turmeric powder (d) water with food colour
18. 18.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is hot (c) oil is less dense (d) oil is sticky
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) cooking oil (c) honey (d) a magnet
20. 20.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they become solid (c) they separate again (d) they mix for ever
21. 21.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
22. 22.🛟 Which rule keeps the density tower experiment safe? (a) do not lick the spoon (b) pour it on the floor (c) taste each layer (d) throw the glass
23. 23.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
24. 24.🧺 Do we need water with food colour for the density tower? (a) needed (b) not needed
25. 25.True or false: a pebble is less dense than water. (a) False (b) True
26. 26.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
27. 27.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
28. 28.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
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.🍯 Which of these is denser than water? (a) a cork (b) an ice cube (c) air (d) honey
31. 31.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
32. 32.🍯 Which of these is denser than water? (a) a ping-pong ball (b) cooking oil (c) air (d) very salty water
33. 33.True or false: very salty water is less dense than water. (a) True (b) False
34. 34.True or false: a magnet is needed for the density tower. (a) False (b) True
35. 35.🍯 Why does honey sink to the bottom of the glass? (a) it is the coldest (b) it is yellow (c) it is the stickiest (d) it is the densest
36. 36.🧺 Which of these is needed for the density tower? (a) yeast (b) a spoon (c) a magnet (d) a balloon
37. 37.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) cooking oil (c) yeast (d) a spoon
38. 38.📘 What does “dense” mean? (a) very thin (b) very colourful (c) very hot (d) heavy for its size
39. 39.True or false: turmeric powder is needed for the density tower. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) a glass marble (b) a ping-pong ball (c) honey (d) a coin

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