Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 850 · 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.🔍 Which is the odd one out? (a) your hand (b) air (c) a book (d) a brick
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
3. 3.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
4. 4.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) look straight at the Sun (d) mark with chalk
5. 5.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a clock to check (d) a battery cell
7. 7.⚖️ 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 time of day (c) shadow length (d) the same spot
8. 8.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
9. 9.🧺 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 sunny open place
10. 10.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) frosted glass (d) clear glass
11. 11.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) a clock to check (d) a magnet
12. 12.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) turmeric powder (d) a sunny open place
14. 14.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) a raincoat (d) nothing on your head
15. 15.⚖️ 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
16. 16.⚖️ 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
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same spot (d) the time of day
18. 18.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) a clock to check (d) a straight stick
20. 20.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening
21. 21.⚖️ 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 same spot
22. 22.🔦 Which of these is translucent? (a) butter paper (b) a steel plate (c) clear glass (d) a brick
23. 23.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
24. 24.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a straight stick (c) a balloon (d) a mirror
25. 25.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) a steel plate (b) clear glass (c) a book (d) your hand
27. 27.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
31. 31.⚖️ 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
32. 32.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
33. 33.🔍 Which is the odd one out? (a) a book (b) clear glass (c) air (d) clear plastic film
34. 34.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a sunny open place (d) a balloon
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
37. 37.🔍 Which is the odd one out? (a) clear plastic film (b) frosted glass (c) oily paper (d) tissue paper
38. 38.⚖️ 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) False (b) True
39. 39.⚖️ 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
40. 40.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

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