Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 397 · 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 pebble is denser than water. (a) True (b) False
2. 2.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
3. 3.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) the spoon (c) coloured water (d) cooking oil
4. 4.⚖️ 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) True (b) False
5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
6. 6.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
7. 7.🍯 Which of these is less dense than water? (a) very salty water (b) an ice cube (c) a coin (d) honey
8. 8.True or false: a ping-pong ball is less dense than water. (a) False (b) True
9. 9.🧺 Do we need honey for the density tower? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) very salty water (b) a glass marble (c) a cork (d) a pebble
11. 11.True or false: air is denser than water. (a) True (b) False
12. 12.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) a balloon (d) water with food colour
13. 13.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) turmeric powder (c) honey (d) a tall clear glass
14. 14.True or false: yeast is not needed for the density tower. (a) True (b) False
15. 15.📘 What does “dense” mean? (a) very hot (b) very thin (c) heavy for its size (d) very colourful
16. 16.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) throw the glass (c) taste each layer (d) do not lick the spoon
17. 17.⚖️ 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 glass (b) how much of each liquid (c) the same three liquids (d) the order of the layers
18. 18.True or false: cooking oil is needed for the density tower. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) a coin (b) a cork (c) air (d) an ice cube
20. 20.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
21. 21.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
22. 22.True or false: honey is denser than water. (a) False (b) True
23. 23.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) spilled oil is slippery (c) oil makes it rain (d) oil turns into honey
24. 24.🔍 Which is the odd one out? (a) a coin (b) a glass marble (c) a ping-pong ball (d) very salty water
25. 25.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) honey (d) an ice cube
26. 26.True or false: water with food colour is not needed for the density tower. (a) False (b) True
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: the order of pouring is what we measure. (a) True (b) False
28. 28.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a battery cell (c) honey (d) water with food colour
29. 29.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is sticky (c) oil is heavier (d) oil is hot
30. 30.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they separate again (c) they become solid (d) they turn to honey
31. 31.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) yeast (b) water with food colour (c) a spoon (d) a tall clear glass
32. 32.True or false: an ice cube is less dense than water. (a) True (b) False
33. 33.⚖️ 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 measure it (b) we change it (c) we keep it the same
34. 34.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) turmeric powder (b) a spoon (c) a tall clear glass (d) cooking oil
35. 35.⚖️ 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 change it (b) we measure it (c) we keep it the same
36. 36.⚖️ 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
37. 37.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) the glass gets hot (c) bubbles of gas (d) three separate layers
38. 38.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
39. 39.True or false: water with food colour is needed for the density tower. (a) True (b) False
40. 40.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed

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