Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 416 · 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) True (b) False
2. 2.🍯 Which of these is denser than water? (a) honey (b) a ping-pong ball (c) air (d) an ice cube
3. 3.True or false: honey is needed for the density tower. (a) False (b) True
4. 4.True or false: water with food colour is not needed for the density tower. (a) False (b) True
5. 5.⚖️ 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
6. 6.⚖️ 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 what we measure. (a) True (b) False
7. 7.True or false: honey is not needed for the density tower. (a) False (b) True
8. 8.True or false: air is less dense than water. (a) False (b) True
9. 9.⚖️ 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 measure it (c) we change it
10. 10.🧺 Which of these is needed for the density tower? (a) a balloon (b) turmeric powder (c) a tall clear glass (d) yeast
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 pouring is what we measure. (a) True (b) False
12. 12.🍯 Which of these is less dense than water? (a) a pebble (b) a coin (c) very salty water (d) cooking oil
13. 13.🧺 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 balloon
14. 14.🔮 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 become solid (d) they mix for ever
15. 15.True or false: a balloon is not needed for the density tower. (a) True (b) False
16. 16.⚖️ 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
17. 17.🛟 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
18. 18.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
19. 19.🔍 Which is the odd one out? (a) honey (b) a coin (c) a cork (d) a pebble
20. 20.🧺 Which of these is not needed for the density tower? (a) a spoon (b) water with food colour (c) a balloon (d) cooking oil
21. 21.🍯 Which of these is less dense than water? (a) a pebble (b) a glass marble (c) air (d) a coin
22. 22.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
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 kept the same? (a) the same glass (b) the order of the layers (c) the order of pouring
24. 24.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) throw the glass (c) pour it on the floor (d) do not lick the spoon
25. 25.⚖️ 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 measure it (b) we change it (c) we keep it the same
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 the one thing we change. (a) False (b) True
27. 27.🧺 Which of these is not needed for the density tower? (a) a spoon (b) a tall clear glass (c) water with food colour (d) turmeric powder
28. 28.🔍 Which is the odd one out? (a) a coin (b) a ping-pong ball (c) cooking oil (d) a cork
29. 29.🔍 Which is the odd one out? (a) very salty water (b) honey (c) cooking oil (d) a coin
30. 30.True or false: a pebble is denser than water. (a) False (b) True
31. 31.⚖️ 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 same three liquids (c) the order of the layers (d) the order of pouring
32. 32.True or false: honey is less dense than water. (a) True (b) False
33. 33.🍯 Which of these is less dense than water? (a) a glass marble (b) an ice cube (c) a coin (d) honey
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) how much of each liquid (b) the order of pouring (c) the order of the layers
35. 35.⚖️ 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
36. 36.🧺 Which of these is not needed for the density tower? (a) honey (b) a tall clear glass (c) cooking oil (d) yeast
37. 37.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) water with food colour (c) cooking oil (d) a battery cell
38. 38.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the densest (d) it is the coldest
39. 39.🧺 Do we need water with food colour for the density tower? (a) not needed (b) needed
40. 40.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water

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