Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 661 · 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.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) honey (c) water with food colour (d) a battery cell
2. 2.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) the glass gets hot (c) bubbles of gas (d) three separate layers
3. 3.⚖️ 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
4. 4.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
5. 5.🧺 Which of these is not needed for the density tower? (a) honey (b) a magnet (c) a spoon (d) water with food colour
6. 6.🧺 Which of these is not needed for the density tower? (a) honey (b) turmeric powder (c) water with food colour (d) a tall clear glass
7. 7.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
8. 8.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) honey (c) water with food colour (d) a tall clear glass
9. 9.⚖️ 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
10. 10.🧺 Which of these is needed for the density tower? (a) a magnet (b) a balloon (c) a spoon (d) turmeric powder
11. 11.⚖️ 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
12. 12.True or false: a ping-pong ball is less dense than water. (a) True (b) False
13. 13.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they become solid (c) they separate again (d) they mix for ever
14. 14.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a spoon (c) a balloon (d) cooking oil
15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) yeast (b) water with food colour (c) a spoon (d) a tall clear glass
16. 16.⚖️ 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
17. 17.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is hot (c) oil is sticky (d) oil is less dense
18. 18.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the stickiest (c) it is the densest (d) it is the coldest
19. 19.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a battery cell (c) honey (d) a spoon
20. 20.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
22. 22.🔍 Which is the odd one out? (a) air (b) a ping-pong ball (c) a cork (d) a glass marble
23. 23.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil makes it rain (c) spilled oil is slippery (d) oil turns into honey
24. 24.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
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 the layers (b) the order of pouring (c) the same three liquids (d) how much of each liquid
26. 26.🔍 Which is the odd one out? (a) a ping-pong ball (b) very salty water (c) a cork (d) an ice cube
27. 27.🧺 Which of these is needed for the density tower? (a) water with food colour (b) a mirror (c) turmeric powder (d) a magnet
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 kept the same. (a) False (b) True
29. 29.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) a balloon (d) cooking oil
30. 30.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
31. 31.True or false: a glass marble is less dense than water. (a) True (b) False
32. 32.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) on top of the oil (c) in the water layer (d) under the honey
33. 33.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) cooking oil (c) honey (d) an ice cube
35. 35.🔍 Which is the odd one out? (a) honey (b) a coin (c) a ping-pong ball (d) a glass marble
36. 36.🔍 Which is the odd one out? (a) honey (b) a glass marble (c) air (d) very salty water
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 measure it (b) we keep it the same (c) we change it
38. 38.🔍 Which is the odd one out? (a) a pebble (b) a coin (c) very salty water (d) cooking oil
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) False (b) True
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 the one thing we change? (a) how much of each liquid (b) the same three liquids (c) the order of pouring (d) the same glass

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