Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 800 · 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 yeast for the density tower? (a) not needed (b) needed
2. 2.⚖️ 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) how much of each liquid (b) the same glass (c) the order of pouring (d) the same three liquids
3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) cooking oil (c) a spoon (d) a balloon
4. 4.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a magnet (c) honey (d) water with food colour
5. 5.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
6. 6.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) under the honey (c) on top of the oil (d) in the honey layer
7. 7.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is the coldest (c) it is yellow (d) it is the densest
8. 8.True or false: water with food colour is not needed for the density tower. (a) False (b) True
9. 9.⚖️ 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
10. 10.True or false: a magnet is needed for the density tower. (a) True (b) False
11. 11.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a tall clear glass (c) cooking oil (d) a magnet
12. 12.🍯 Which of these is less dense than water? (a) an ice cube (b) a glass marble (c) honey (d) a pebble
13. 13.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
14. 14.⚖️ 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 same three liquids (b) the order of pouring (c) the order of the layers
15. 15.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil turns into honey (c) spilled oil is slippery (d) oil makes it rain
16. 16.⚖️ 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 keep it the same (b) we measure it (c) we change it
17. 17.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
18. 18.⚖️ 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 measure it (b) we keep it the same (c) we change it
19. 19.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) coloured water (c) the spoon (d) honey
20. 20.True or false: a battery cell is not needed for the density tower. (a) False (b) True
21. 21.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
22. 22.⚖️ 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
23. 23.🔮 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
24. 24.🧺 Which of these is not needed for the density tower? (a) honey (b) a spoon (c) a battery cell (d) water with food colour
25. 25.🛟 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
26. 26.⚖️ 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 change it (b) we measure it (c) we keep it the same
27. 27.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) three separate layers (c) bubbles of gas (d) the glass gets hot
28. 28.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
29. 29.📘 What does “dense” mean? (a) very colourful (b) very thin (c) heavy for its size (d) very hot
30. 30.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) honey (c) turmeric powder (d) a tall clear glass
31. 31.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
32. 32.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) honey (c) a mirror (d) cooking oil
33. 33.🔍 Which is the odd one out? (a) cooking oil (b) a glass marble (c) a coin (d) very salty water
34. 34.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a battery cell (c) cooking oil (d) a tall clear glass
35. 35.🍯 Which of these is denser than water? (a) cooking oil (b) a ping-pong ball (c) air (d) a glass marble
36. 36.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they mix for ever (c) they separate again (d) they become solid
37. 37.True or false: a coin is less dense than water. (a) True (b) False
38. 38.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
39. 39.True or false: a spoon is needed for the density tower. (a) False (b) True
40. 40.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed

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