Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 979 · 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) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
2. 2.⚖️ 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 stick kept upright (c) the time of day
3. 3.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a straight stick (d) yeast
4. 4.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) runs faster (c) shows two times (d) works better
5. 5.⚖️ 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
6. 6.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
7. 7.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) clear glass (d) oily paper
8. 8.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
9. 9.🔦 Which of these is translucent? (a) air (b) a steel plate (c) tissue paper (d) a wooden board
10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
13. 13.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we change it (c) we keep it the same
16. 16.⚖️ 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
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) True (b) False
18. 18.⚖️ 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 same stick (c) the same spot (d) the stick kept upright
19. 19.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a straight stick (c) a sunny open place (d) a clock to check
20. 20.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
21. 21.True or false: clear glass is opaque. (a) True (b) False
22. 22.True or false: a wooden board is opaque. (a) True (b) False
23. 23.True or false: tissue paper is opaque. (a) False (b) True
24. 24.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
25. 25.🔍 Which is the odd one out? (a) air (b) clear glass (c) clear plastic film (d) a book
26. 26.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a clock to check (c) chalk to mark shadows (d) a straight stick
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a battery cell
29. 29.🧺 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 sunny open place (d) a mirror
30. 30.⚖️ 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) False (b) True
31. 31.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
32. 32.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
33. 33.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
34. 34.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) tissue paper (d) air
35. 35.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) a straight stick (d) a sunny open place
36. 36.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) yeast (c) a battery cell (d) a clock to check
37. 37.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
38. 38.⚖️ 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) the time of day (c) shadow length
39. 39.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
40. 40.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round

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