Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 357 · 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.🍯 Which of these is less dense than water? (a) very salty water (b) a pebble (c) a ping-pong ball (d) honey
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 same glass”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
4. 4.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a tall clear glass (c) a mirror (d) water with food colour
5. 5.🧺 Which of these is needed for the density tower? (a) cooking oil (b) yeast (c) a balloon (d) a mirror
6. 6.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) a battery cell (d) cooking oil
7. 7.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a battery cell (c) a balloon (d) honey
8. 8.True or false: a battery cell is needed for the density tower. (a) False (b) True
9. 9.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) pour it on the floor (c) do not lick the spoon (d) taste each layer
10. 10.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
11. 11.🔍 Which is the odd one out? (a) air (b) a glass marble (c) an ice cube (d) cooking oil
12. 12.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is hot (c) oil is heavier (d) oil is sticky
13. 13.⚖️ 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 order of pouring (c) the same glass
14. 14.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil makes it rain (c) oil attracts magnets (d) oil turns into honey
15. 15.True or false: a pebble is less dense than water. (a) True (b) False
16. 16.🍯 Which of these is less dense than water? (a) honey (b) a pebble (c) very salty water (d) a cork
17. 17.⚖️ 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 measure it (b) we change it (c) we keep it the same
18. 18.True or false: water with food colour is needed for the density tower. (a) True (b) False
19. 19.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
20. 20.⚖️ 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 keep it the same (b) we measure it (c) we change it
21. 21.🔍 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
22. 22.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
23. 23.⚖️ 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
24. 24.🔍 Which is the odd one out? (a) a ping-pong ball (b) cooking oil (c) a cork (d) honey
25. 25.🔍 Which is the odd one out? (a) a glass marble (b) a pebble (c) honey (d) a cork
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 what we measure? (a) how much of each liquid (b) the same glass (c) the same three liquids (d) the order of the layers
27. 27.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a tall clear glass (c) a mirror (d) honey
28. 28.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) honey (c) a battery cell (d) cooking oil
29. 29.🍯 Which of these is less dense than water? (a) cooking oil (b) a pebble (c) very salty water (d) a coin
30. 30.🔍 Which is the odd one out? (a) honey (b) a ping-pong ball (c) a pebble (d) very salty water
31. 31.🔮 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) at the very bottom (d) on top of the oil
32. 32.True or false: cooking oil is needed for the density tower. (a) True (b) False
33. 33.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
34. 34.True or false: a magnet is needed for the density tower. (a) True (b) False
35. 35.True or false: a ping-pong ball is less dense than water. (a) False (b) True
36. 36.True or false: water with food colour is not needed for the density tower. (a) False (b) True
37. 37.True or false: a coin is less dense than water. (a) True (b) False
38. 38.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a magnet (c) a spoon (d) honey
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 the one thing we change? (a) the same three liquids (b) how much of each liquid (c) the order of the layers (d) the order of pouring
40. 40.⚖️ 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 the layers (c) the order of pouring

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