Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 732 · 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.⚖️ 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
2. 2.🍯 Which of these is denser than water? (a) an ice cube (b) air (c) very salty water (d) a ping-pong ball
3. 3.🧺 Do we need honey for the density tower? (a) not needed (b) needed
4. 4.🔍 Which is the odd one out? (a) very salty water (b) a glass marble (c) a ping-pong ball (d) a coin
5. 5.True or false: yeast is needed for the density tower. (a) True (b) False
6. 6.🔮 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
7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) turmeric powder (d) water with food colour
8. 8.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a tall clear glass (c) a spoon (d) a balloon
9. 9.True or false: a balloon is not needed for the density tower. (a) False (b) True
10. 10.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a spoon (c) a mirror (d) water with food colour
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 order of the layers is what we measure. (a) False (b) True
12. 12.⚖️ 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
13. 13.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
14. 14.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) bubbles of gas (c) three separate layers (d) one mixed colour
15. 15.🍯 Which of these is denser than water? (a) cooking oil (b) a glass marble (c) air (d) an ice cube
16. 16.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a spoon (c) yeast (d) water with food colour
17. 17.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
18. 18.True or false: honey is needed for the density tower. (a) False (b) True
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 order of pouring is what we measure. (a) False (b) True
20. 20.🍯 Which of these is less dense than water? (a) very salty water (b) a ping-pong ball (c) honey (d) a coin
21. 21.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is less dense (c) oil is sticky (d) oil is hot
22. 22.🧺 Do we need a battery cell 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? True or false: the same three liquids is the one thing we change. (a) True (b) False
24. 24.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) spilled oil is slippery (c) oil turns into honey (d) oil makes it rain
25. 25.⚖️ 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) the same glass (c) how much of each liquid (d) the order of pouring
26. 26.⚖️ 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 what we measure. (a) False (b) True
27. 27.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
28. 28.📘 What does “dense” mean? (a) very colourful (b) heavy for its size (c) very hot (d) very thin
29. 29.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) on top of the oil (b) in the honey layer (c) in the water layer (d) under the honey
30. 30.⚖️ 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 change it (b) we measure it (c) we keep it the same
31. 31.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the oil layer (c) at the very bottom (d) in the water layer
32. 32.🍯 Which of these is less dense than water? (a) a pebble (b) very salty water (c) air (d) honey
33. 33.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
34. 34.⚖️ 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) True (b) False
35. 35.True or false: very salty water is less dense than water. (a) False (b) True
36. 36.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
37. 37.True or false: a cork is less dense than water. (a) False (b) True
38. 38.🍯 Which of these is denser than water? (a) air (b) cooking oil (c) honey (d) a ping-pong ball
39. 39.⚖️ 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
40. 40.🛟 Which rule keeps the density tower experiment safe? (a) do not lick the spoon (b) taste each layer (c) pour it on the floor (d) throw the glass

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