Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 93 · 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 spot”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) oily paper (d) clear plastic film
3. 3.True or false: oily paper is opaque. (a) False (b) True
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
5. 5.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
6. 6.🔍 Which is the odd one out? (a) a brick (b) air (c) your hand (d) a steel plate
7. 7.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
8. 8.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
9. 9.True or false: a steel plate is opaque. (a) False (b) True
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
11. 11.🔦 Which of these is transparent? (a) clear plastic film (b) a book (c) your hand (d) butter paper
12. 12.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
13. 13.🔦 Which of these is translucent? (a) clear glass (b) your hand (c) frosted glass (d) clear plastic film
14. 14.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
15. 15.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
16. 16.🔦 Which of these is translucent? (a) your hand (b) a brick (c) a wooden board (d) oily paper
17. 17.⚖️ 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 same spot (c) the time of day (d) shadow length
18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a mirror (d) a straight stick
19. 19.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
20. 20.True or false: a magnet is needed for the shadow clock. (a) False (b) True
21. 21.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
22. 22.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a straight stick (d) yeast
23. 23.🔦 Which of these is transparent? (a) a steel plate (b) oily paper (c) a wooden board (d) clear glass
24. 24.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
25. 25.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) chalk to mark shadows (d) a magnet
26. 26.True or false: yeast is not needed for the shadow clock. (a) False (b) True
27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a battery cell (d) a sunny open place
30. 30.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
31. 31.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) yeast (c) chalk to mark shadows (d) a straight stick
32. 32.⚖️ 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) shadow length (c) the stick kept upright
33. 33.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
34. 34.🔍 Which is the odd one out? (a) butter paper (b) a wooden board (c) a brick (d) a book
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a balloon (d) a sunny open place
37. 37.True or false: a book is opaque. (a) True (b) False
38. 38.⚖️ 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) False (b) True
39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a clock to check (d) a straight stick
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) True (b) False

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