Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 223 · 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 coin is denser than water. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) air (b) a pebble (c) very salty water (d) a coin
3. 3.True or false: an ice cube is denser than water. (a) False (b) True
4. 4.🧺 Which of these is needed for the density tower? (a) a tall clear glass (b) a balloon (c) turmeric powder (d) a battery cell
5. 5.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
6. 6.True or false: a magnet is not needed for the density tower. (a) True (b) False
7. 7.🧺 Which of these is not needed for the density tower? (a) honey (b) a battery cell (c) water with food colour (d) cooking oil
8. 8.⚖️ 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
9. 9.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
10. 10.True or false: a spoon is not needed for the density tower. (a) True (b) False
11. 11.🔮 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
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.⚖️ 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) True (b) False
14. 14.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
15. 15.🔍 What do you see after pouring honey, water and oil into one glass? (a) three separate layers (b) one mixed colour (c) the glass gets hot (d) bubbles of gas
16. 16.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a tall clear glass (c) a magnet (d) honey
17. 17.True or false: a balloon is needed for the density tower. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a cork (d) honey
19. 19.🧺 Which of these is not needed for the density tower? (a) a magnet (b) a tall clear glass (c) honey (d) cooking oil
20. 20.⚖️ 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
21. 21.True or false: cooking oil is not needed for the density tower. (a) True (b) False
22. 22.True or false: cooking oil is needed for the density tower. (a) False (b) True
23. 23.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is sticky (c) oil is less dense (d) oil is hot
24. 24.True or false: a mirror is not needed for the density tower. (a) False (b) True
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 what we measure? (a) the order of pouring (b) the order of the layers (c) the same three liquids (d) the same glass
26. 26.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
27. 27.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a cork (c) an ice cube (d) a pebble
28. 28.⚖️ 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) False (b) True
29. 29.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) pour it on the floor (d) do not lick the spoon
30. 30.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
31. 31.🔍 Which is the odd one out? (a) a glass marble (b) honey (c) an ice cube (d) very salty water
32. 32.⚖️ 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
33. 33.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is the coldest (c) it is the densest (d) it is yellow
34. 34.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a magnet (c) a spoon (d) a balloon
35. 35.📘 What does “dense” mean? (a) very thin (b) heavy for its size (c) very hot (d) very colourful
36. 36.🍯 Which of these is denser than water? (a) a cork (b) very salty water (c) an ice cube (d) cooking oil
37. 37.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
38. 38.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the water layer (c) at the very bottom (d) in the oil layer
39. 39.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
40. 40.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water

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