Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 127 · 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) honey (b) water with food colour (c) a spoon (d) a mirror
2. 2.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they mix for ever (c) they become solid (d) they separate again
3. 3.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) in the honey layer (c) on top of the oil (d) under the honey
4. 4.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) on top of the oil (c) in the oil layer (d) in the water layer
5. 5.⚖️ 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) the same three liquids (b) the same glass (c) how much of each liquid (d) the order of pouring
6. 6.🍯 Which of these is denser than water? (a) an ice cube (b) cooking oil (c) a cork (d) honey
7. 7.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
8. 8.True or false: turmeric powder is needed for the density tower. (a) True (b) False
9. 9.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
10. 10.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
11. 11.True or false: a spoon is needed for the density tower. (a) False (b) True
12. 12.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) do not lick the spoon (d) pour it on the floor
13. 13.True or false: very salty water is less dense than water. (a) False (b) True
14. 14.🍯 Which of these is less dense than water? (a) a pebble (b) very salty water (c) a glass marble (d) a ping-pong ball
15. 15.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
16. 16.True or false: a cork is less dense than water. (a) False (b) True
17. 17.True or false: cooking oil is less dense than water. (a) False (b) True
18. 18.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
19. 19.⚖️ 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 change it (b) we measure it (c) we keep it the same
20. 20.True or false: honey is not needed for the density tower. (a) True (b) False
21. 21.🧺 Do we need honey for the density tower? (a) not needed (b) needed
22. 22.⚖️ 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 glass”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the coldest (c) it is the densest (d) it is the stickiest
24. 24.🍯 Which of these is less dense than water? (a) honey (b) a pebble (c) an ice cube (d) a coin
25. 25.⚖️ 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) True (b) False
26. 26.⚖️ 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) how much of each liquid
27. 27.🔍 Which is the odd one out? (a) cooking oil (b) air (c) an ice cube (d) a pebble
28. 28.🔍 Which is the odd one out? (a) honey (b) very salty water (c) a coin (d) air
29. 29.True or false: an ice cube is denser than water. (a) True (b) False
30. 30.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) cooking oil (c) water with food colour (d) a balloon
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a coin (c) honey (d) an ice cube
32. 32.True or false: a pebble is denser than water. (a) True (b) False
33. 33.True or false: a battery cell is not needed for the density tower. (a) False (b) True
34. 34.⚖️ 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 kept the same. (a) False (b) True
35. 35.⚖️ 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
36. 36.True or false: an ice cube is less dense than water. (a) False (b) True
37. 37.True or false: cooking oil is denser than water. (a) True (b) False
38. 38.🍯 Which of these is less dense than water? (a) very salty water (b) honey (c) a pebble (d) cooking oil
39. 39.📘 What does “dense” mean? (a) very thin (b) very hot (c) very colourful (d) heavy for its size
40. 40.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed

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