Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 498 · 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: cooking oil is needed for the density tower. (a) False (b) True
2. 2.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they turn to honey (c) they separate again (d) they mix for ever
3. 3.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
4. 4.⚖️ 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 the layers (b) the order of pouring (c) the same glass (d) the same three liquids
5. 5.🧺 Which of these is not needed for the density tower? (a) honey (b) a spoon (c) a mirror (d) a tall clear glass
6. 6.🔍 Which is the odd one out? (a) honey (b) a glass marble (c) a cork (d) a pebble
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 kept the same? (a) the order of the layers (b) the same glass (c) the order of pouring
8. 8.🔍 Which is the odd one out? (a) an ice cube (b) honey (c) a glass marble (d) a pebble
9. 9.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) a tall clear glass (c) honey (d) water with food colour
10. 10.📘 What does “dense” mean? (a) very thin (b) very hot (c) heavy for its size (d) very colourful
11. 11.🧺 Which of these is needed for the density tower? (a) water with food colour (b) a mirror (c) a magnet (d) a balloon
12. 12.🛟 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
13. 13.🛟 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
14. 14.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
15. 15.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a mirror (c) a magnet (d) cooking oil
16. 16.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the water layer (c) in the honey layer (d) on top of the oil
17. 17.True or false: cooking oil is not needed for the density tower. (a) True (b) False
18. 18.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is heavier (c) oil is sticky (d) oil is hot
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) water with food colour (c) a battery cell (d) cooking oil
20. 20.🧺 Which of these is not needed for the density tower? (a) a battery cell (b) water with food colour (c) honey (d) a spoon
21. 21.True or false: a pebble is less dense than water. (a) True (b) False
22. 22.True or false: a balloon is needed for the density tower. (a) False (b) True
23. 23.True or false: a spoon is not needed for the density tower. (a) False (b) True
24. 24.⚖️ 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 change it (c) we keep it the same
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.⚖️ 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 order of the layers (b) how much of each liquid (c) the order of pouring (d) the same three liquids
27. 27.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
28. 28.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
29. 29.🔍 What do you see after pouring honey, water and oil into one glass? (a) bubbles of gas (b) three separate layers (c) one mixed colour (d) the glass gets hot
30. 30.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
31. 31.⚖️ 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) True (b) False
32. 32.⚖️ 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 kept the same. (a) False (b) True
33. 33.⚖️ 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
34. 34.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a balloon (c) a tall clear glass (d) yeast
36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) yeast (c) honey (d) water with food colour
37. 37.⚖️ 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 change it (b) we keep it the same (c) we measure it
38. 38.🍯 Which of these is less dense than water? (a) cooking oil (b) a glass marble (c) a pebble (d) a coin
39. 39.⚖️ 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) True (b) False
40. 40.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) in the oil layer (c) on top of the oil (d) at the very bottom

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