Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 396 · 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.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
2. 2.⚖️ 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 kept the same. (a) True (b) False
3. 3.True or false: a glass marble is denser than water. (a) False (b) True
4. 4.True or false: turmeric powder is needed for the density tower. (a) False (b) True
5. 5.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) on top of the oil (c) at the very bottom (d) in the oil layer
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 the one thing we change? (a) the same glass (b) the same three liquids (c) the order of pouring (d) the order of the layers
7. 7.🧺 Which of these is needed for the density tower? (a) a mirror (b) a battery cell (c) a balloon (d) a tall clear glass
8. 8.🔍 Which is the odd one out? (a) very salty water (b) a coin (c) air (d) a glass marble
9. 9.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
10. 10.🔍 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
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) turmeric powder (d) a tall clear glass
12. 12.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) water with food colour (c) honey (d) yeast
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: how much of each liquid is kept the same. (a) False (b) True
14. 14.True or false: cooking oil is denser than water. (a) False (b) True
15. 15.⚖️ 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) False (b) True
16. 16.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
17. 17.⚖️ 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) False (b) True
18. 18.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) oil makes it rain (c) spilled oil is slippery (d) oil attracts magnets
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) honey (c) water with food colour (d) turmeric powder
21. 21.True or false: honey is not needed for the density tower. (a) False (b) True
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 same glass”? (a) we change it (b) we keep it the same (c) we measure it
23. 23.⚖️ 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 the layers (b) how much of each liquid (c) the order of pouring
24. 24.⚖️ 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) the same three liquids (c) the order of the layers (d) the order of pouring
25. 25.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
26. 26.True or false: a mirror is not needed for the density tower. (a) False (b) True
27. 27.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
28. 28.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they become solid (c) they turn to honey (d) they mix for ever
29. 29.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a spoon (c) a mirror (d) honey
30. 30.True or false: very salty water is less dense than water. (a) False (b) True
31. 31.True or false: a cork is less dense than water. (a) False (b) True
32. 32.True or false: an ice cube is denser than water. (a) True (b) False
33. 33.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
34. 34.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
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 keep it the same (b) we measure it (c) we change it
36. 36.🔍 Which is the odd one out? (a) a cork (b) a coin (c) very salty water (d) honey
37. 37.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a mirror (c) honey (d) a balloon
38. 38.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
39. 39.True or false: a pebble is less dense than water. (a) True (b) False
40. 40.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water

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