Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 137 · 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 ping-pong ball is less dense than water. (a) True (b) False
2. 2.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) bubbles of gas (c) the glass gets hot (d) three separate layers
3. 3.🍯 Which of these is less dense than water? (a) air (b) a pebble (c) a coin (d) very salty water
4. 4.True or false: honey is less dense than water. (a) True (b) False
5. 5.True or false: a pebble is less dense than water. (a) True (b) False
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) turmeric powder (b) honey (c) a tall clear glass (d) a spoon
8. 8.🫗 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
9. 9.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
10. 10.🛟 Which rule keeps the density tower experiment safe? (a) do not lick the spoon (b) throw the glass (c) taste each layer (d) pour it on the floor
11. 11.⚖️ 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 same glass (b) the order of the layers (c) how much of each liquid (d) the order of pouring
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 order of the layers”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🧺 Which of these is not needed for the density tower? (a) a spoon (b) water with food colour (c) a balloon (d) a tall clear glass
14. 14.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a battery cell (d) a tall clear glass
15. 15.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
16. 16.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
17. 17.⚖️ 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 same three liquids (c) the order of pouring
18. 18.True or false: turmeric powder is needed for the density tower. (a) False (b) True
19. 19.True or false: a glass marble is denser than water. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) honey (b) a coin (c) an ice cube (d) a glass marble
21. 21.⚖️ 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) True (b) False
22. 22.🔍 Which is the odd one out? (a) very salty water (b) air (c) honey (d) a coin
23. 23.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a tall clear glass (c) a magnet (d) a spoon
24. 24.True or false: a mirror is not needed for the density tower. (a) False (b) True
25. 25.🍯 Why does honey sink to the bottom of the glass? (a) it is the densest (b) it is the stickiest (c) it is the coldest (d) it is yellow
26. 26.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
27. 27.⚖️ 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
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: the order of the layers is the one thing we change. (a) False (b) True
29. 29.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a balloon (c) a mirror (d) a tall clear glass
30. 30.⚖️ 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 order of pouring (c) the same glass (d) the order of the layers
31. 31.🍯 Which of these is less dense than water? (a) a ping-pong ball (b) honey (c) very salty water (d) a glass marble
32. 32.True or false: cooking oil is denser than water. (a) False (b) True
33. 33.⚖️ 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) True (b) False
34. 34.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
35. 35.True or false: honey is not needed for the density tower. (a) True (b) False
36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a magnet (c) cooking oil (d) a spoon
37. 37.🍯 Which of these is less dense than water? (a) a coin (b) very salty water (c) an ice cube (d) honey
38. 38.True or false: a pebble is denser than water. (a) False (b) True
39. 39.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) honey (c) coloured water (d) the spoon
40. 40.⚖️ 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) True (b) False

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