Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 349 · 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.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) wear a cap (d) sit in the shade
2. 2.🔦 Which of these is opaque? (a) oily paper (b) butter paper (c) a steel plate (d) clear plastic film
3. 3.True or false: yeast is needed for the shadow clock. (a) True (b) False
4. 4.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
5. 5.🔍 Which is the odd one out? (a) oily paper (b) air (c) tissue paper (d) butter paper
6. 6.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
7. 7.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) True (b) False
9. 9.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the stick grows (c) the ground slides (d) Earth keeps spinning
10. 10.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
11. 11.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
12. 12.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
13. 13.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
14. 14.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
15. 15.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
16. 16.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) frosted glass (d) clear glass
17. 17.⚖️ 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
18. 18.🔦 Which of these is translucent? (a) a steel plate (b) clear plastic film (c) butter paper (d) air
19. 19.⚖️ 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
20. 20.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
22. 22.True or false: a balloon is needed for the shadow clock. (a) False (b) True
23. 23.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
24. 24.True or false: clear plastic film is opaque. (a) True (b) False
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) turmeric powder (d) a sunny open place
26. 26.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
27. 27.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a balloon (d) a clock to check
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a battery cell (d) a sunny open place
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 sunny open place (d) a mirror
30. 30.⚖️ 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
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) a straight stick (d) a sunny open place
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) shadow length (c) the time of day
34. 34.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) oily paper (d) air
35. 35.True or false: yeast is not needed for the shadow clock. (a) False (b) True
36. 36.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.🔍 Which is the odd one out? (a) clear glass (b) tissue paper (c) clean water (d) air
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
40. 40.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

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