Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 545 · 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.True or false: a cork is denser than water. (a) True (b) False
2. 2.⚖️ 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 change it (b) we measure it (c) we keep it the same
3. 3.True or false: cooking oil is less dense than water. (a) False (b) True
4. 4.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) honey (c) cooking oil (d) the spoon
5. 5.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a spoon (c) a tall clear glass (d) turmeric powder
6. 6.🔍 Which is the odd one out? (a) a coin (b) air (c) honey (d) a glass marble
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 the one thing we change? (a) the same three liquids (b) how much of each liquid (c) the order of pouring (d) the same glass
8. 8.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil turns into honey (c) oil attracts magnets (d) oil makes it rain
9. 9.🧺 Which of these is needed for the density tower? (a) a balloon (b) a battery cell (c) yeast (d) a tall clear glass
10. 10.🍯 Which of these is less dense than water? (a) very salty water (b) an ice cube (c) a coin (d) honey
11. 11.⚖️ 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 the one thing we change. (a) True (b) False
12. 12.True or false: a coin is less dense than water. (a) True (b) False
13. 13.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) do not lick the spoon (c) pour it on the floor (d) taste each layer
14. 14.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
15. 15.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a ping-pong ball (b) air (c) an ice cube (d) a pebble
17. 17.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) honey (c) a magnet (d) a balloon
18. 18.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) cooking oil (c) a spoon (d) a magnet
21. 21.⚖️ 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 the one thing we change. (a) True (b) False
22. 22.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) a spoon (c) a tall clear glass (d) cooking oil
23. 23.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
24. 24.True or false: a spoon is not needed for the density tower. (a) True (b) False
25. 25.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) yeast (c) cooking oil (d) a tall clear glass
26. 26.🫗 Why does cooking oil float on top of water? (a) oil is sticky (b) oil is hot (c) oil is less dense (d) oil is heavier
27. 27.🧺 Which of these is needed for the density tower? (a) yeast (b) a battery cell (c) a spoon (d) a mirror
28. 28.True or false: a glass marble is less dense than water. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) air (b) an ice cube (c) very salty water (d) cooking oil
30. 30.True or false: a glass marble is denser than water. (a) False (b) True
31. 31.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) a battery cell (d) a tall clear glass
32. 32.🧺 Which of these is not needed for the density tower? (a) honey (b) a tall clear glass (c) a spoon (d) a mirror
33. 33.🔍 Which is the odd one out? (a) cooking oil (b) a coin (c) an ice cube (d) air
34. 34.📘 What does “dense” mean? (a) very colourful (b) very hot (c) very thin (d) heavy for its size
35. 35.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) on top of the oil (c) at the very bottom (d) in the water layer
36. 36.True or false: honey is less dense than water. (a) False (b) True
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.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
39. 39.⚖️ 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 order of pouring (b) how much of each liquid (c) the same three liquids (d) the order of the layers
40. 40.⚖️ 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 kept the same. (a) False (b) True

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