Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 338 · 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? What do we do with “the same three liquids”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a tall clear glass (c) a spoon (d) yeast
3. 3.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
4. 4.⚖️ 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 keep it the same (b) we measure it (c) we change it
5. 5.🍯 Which of these is less dense than water? (a) a coin (b) cooking oil (c) very salty water (d) a glass marble
6. 6.📘 What does “dense” mean? (a) very thin (b) very colourful (c) very hot (d) heavy for its size
7. 7.True or false: a battery cell is not needed for the density tower. (a) False (b) True
8. 8.🧺 Which of these is needed for the density tower? (a) honey (b) a mirror (c) yeast (d) a magnet
9. 9.🔍 Which is the odd one out? (a) honey (b) cooking oil (c) air (d) a ping-pong ball
10. 10.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they turn to honey (c) they mix for ever (d) they become solid
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a battery cell (c) a tall clear glass (d) cooking oil
12. 12.🍯 Which of these is less dense than water? (a) very salty water (b) honey (c) a coin (d) a ping-pong ball
13. 13.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) turmeric powder (c) cooking oil (d) a tall clear glass
14. 14.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
15. 15.True or false: an ice cube is denser than water. (a) False (b) True
16. 16.🔮 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
17. 17.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) do not lick the spoon (c) pour it on the floor (d) taste each layer
18. 18.⚖️ 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) 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? Which of these is kept the same? (a) the order of pouring (b) the same three liquids (c) the order of the layers
20. 20.🔍 What do you see after pouring honey, water and oil into one glass? (a) bubbles of gas (b) one mixed colour (c) three separate layers (d) the glass gets hot
21. 21.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) in the oil layer (c) in the water layer (d) on top of the oil
22. 22.🔍 Which is the odd one out? (a) honey (b) very salty water (c) cooking oil (d) a coin
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 what we measure? (a) the order of the layers (b) how much of each liquid (c) the same three liquids (d) the same glass
24. 24.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) a coin (b) honey (c) an ice cube (d) a glass marble
26. 26.True or false: a pebble is less dense than water. (a) True (b) False
27. 27.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
28. 28.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a coin (c) a cork (d) an ice cube
29. 29.⚖️ 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 the one thing we change. (a) False (b) True
30. 30.🧺 Which of these is needed for the density tower? (a) a mirror (b) a magnet (c) a balloon (d) a tall clear glass
31. 31.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) water with food colour (c) a magnet (d) a tall clear glass
32. 32.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
33. 33.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) a tall clear glass (d) a magnet
34. 34.⚖️ 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) how much of each liquid
35. 35.True or false: air is less dense than water. (a) False (b) True
36. 36.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
37. 37.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is sticky (c) oil is heavier (d) oil is less dense
38. 38.True or false: water with food colour is needed for the density tower. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) an ice cube (b) a ping-pong ball (c) cooking oil (d) very salty water
40. 40.⚖️ 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 keep it the same (c) we change it

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