Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 851 · 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.🧺 Do we need honey for the density tower? (a) needed (b) not needed
2. 2.True or false: an ice cube is less dense than water. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a ping-pong ball (b) honey (c) a coin (d) a pebble
4. 4.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) the spoon (c) coloured water (d) honey
5. 5.🔍 Which is the odd one out? (a) very salty water (b) a pebble (c) a glass marble (d) cooking oil
6. 6.⚖️ 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 pouring (c) how much of each liquid (d) the order of the layers
7. 7.🍯 Which of these is less dense than water? (a) honey (b) a coin (c) a pebble (d) cooking oil
8. 8.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) a magnet (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? What do we do with “the same three liquids”? (a) we change it (b) we measure it (c) we keep it the same
10. 10.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a balloon (c) cooking oil (d) a spoon
11. 11.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) honey (c) yeast (d) a spoon
12. 12.🧺 Do we need water with food colour for the density tower? (a) needed (b) not needed
13. 13.True or false: a spoon is not needed for the density tower. (a) True (b) False
14. 14.True or false: a magnet is needed for the density tower. (a) True (b) False
15. 15.⚖️ 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
16. 16.True or false: a coin is denser than water. (a) False (b) True
17. 17.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
18. 18.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they separate again (c) they become solid (d) they turn to honey
19. 19.True or false: a pebble is denser than water. (a) False (b) True
20. 20.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) honey (c) cooking oil (d) a tall clear glass
21. 21.True or false: a mirror is needed for the density tower. (a) True (b) False
22. 22.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) yeast (c) a balloon (d) a tall clear glass
23. 23.⚖️ 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 keep it the same (b) we change it (c) we measure it
24. 24.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
25. 25.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) water with food colour (c) turmeric powder (d) honey
26. 26.True or false: a glass marble is denser than water. (a) True (b) False
27. 27.🍯 Why does honey sink to the bottom of the glass? (a) it is the densest (b) it is yellow (c) it is the stickiest (d) it is the coldest
28. 28.True or false: cooking oil is not needed for the density tower. (a) False (b) True
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: how much of each liquid is what we measure. (a) False (b) True
30. 30.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) yeast (c) honey (d) water with food colour
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 kept the same? (a) the same glass (b) the order of the layers (c) the order of pouring
32. 32.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) honey (c) a spoon (d) turmeric powder
33. 33.True or false: a coin is less dense than water. (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? What do we do with “the order of pouring”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
36. 36.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) honey (c) a spoon (d) a mirror
38. 38.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a magnet (c) a spoon (d) cooking oil
39. 39.🍯 Which of these is denser than water? (a) a coin (b) cooking oil (c) air (d) a cork
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) the order of pouring (b) how much of each liquid (c) the same three liquids (d) the same glass

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