Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 306 · 40 questions

What you do (Shadows point away from the Sun): 1. Stand the stick upright in the ground in an open sunny place. 2. Every hour, mark the tip of the shadow with chalk and write the time. 3. Measure the length of each shadow. 4. Wear a cap and never look straight at the Sun.

1. 1.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
3. 3.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
4. 4.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
5. 5.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) your hand (b) oily paper (c) a brick (d) a book
7. 7.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a battery cell (d) a clock to check
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) the stick kept upright (c) shadow length (d) the time of day
9. 9.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
10. 10.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
11. 11.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a balloon (d) a clock to check
12. 12.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) coloured (d) bigger
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
14. 14.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) turmeric powder (d) a straight stick
15. 15.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) sit in the shade (d) wear a cap
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
17. 17.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
18. 18.True or false: clear glass is transparent. (a) True (b) False
19. 19.🔦 Which of these is transparent? (a) a book (b) frosted glass (c) a wooden board (d) clear plastic film
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the time of day (c) the same spot (d) the stick kept upright
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a magnet (d) chalk to mark shadows
22. 22.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
23. 23.🔦 Which of these is opaque? (a) clear plastic film (b) your hand (c) clean water (d) oily paper
24. 24.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a straight stick (d) a balloon
25. 25.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
26. 26.🔍 Which is the odd one out? (a) oily paper (b) a wooden board (c) butter paper (d) tissue paper
27. 27.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a balloon (d) a mirror
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the stick kept upright (c) shadow length
29. 29.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) oily paper (d) tissue paper
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
31. 31.True or false: clear plastic film is transparent. (a) False (b) True
32. 32.True or false: a wooden board is transparent. (a) True (b) False
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the same spot (c) the time of day
34. 34.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same stick
38. 38.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
39. 39.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) yeast
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a sunny open place (d) a clock to check

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