Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 731 · 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) frosted glass (b) butter paper (c) oily paper (d) a wooden board
2. 2.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
3. 3.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
4. 4.True or false: yeast is not needed for the shadow clock. (a) False (b) True
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
7. 7.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) smaller (c) brighter (d) bigger
9. 9.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) your hand (b) clean water (c) clear glass (d) clear plastic film
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a mirror (c) a sunny open place (d) chalk to mark shadows
12. 12.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
13. 13.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a mirror (d) a clock to check
14. 14.True or false: a steel plate is opaque. (a) False (b) True
15. 15.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
16. 16.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
17. 17.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
19. 19.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
20. 20.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a straight stick (c) yeast (d) a magnet
21. 21.🔦 Which of these is transparent? (a) a steel plate (b) clean water (c) a brick (d) oily paper
22. 22.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
23. 23.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) yeast (d) chalk to mark shadows
25. 25.🧺 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 balloon (d) a clock to check
26. 26.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) frosted glass (d) a book
27. 27.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) turmeric powder (d) a balloon
28. 28.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the stick walks (d) the ground slides
29. 29.⚖️ 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
30. 30.🔦 Which of these is transparent? (a) frosted glass (b) oily paper (c) a book (d) clear plastic film
31. 31.🔍 Which is the odd one out? (a) clear glass (b) butter paper (c) clean water (d) air
32. 32.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) a balloon (d) a sunny open place
33. 33.⚖️ 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) the same spot (c) the same stick (d) shadow length
34. 34.⚖️ 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
35. 35.🔦 Which of these is translucent? (a) butter paper (b) clear plastic film (c) a book (d) a brick
36. 36.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
37. 37.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
38. 38.🧺 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) turmeric powder
39. 39.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
40. 40.⚖️ 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 measure it (c) we keep it the same

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