Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 63 · 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 of these is translucent? (a) clean water (b) a book (c) butter paper (d) clear plastic film
2. 2.⚖️ 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
3. 3.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
4. 4.True or false: a wooden board is translucent. (a) False (b) True
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
6. 6.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) Earth keeps spinning (d) the stick grows
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) yeast (d) chalk to mark shadows
8. 8.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
9. 9.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
10. 10.🧺 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) chalk to mark shadows
11. 11.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a straight stick (d) yeast
12. 12.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
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) a mirror (d) a straight stick
14. 14.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a sunny open place (d) chalk to mark shadows
16. 16.True or false: a magnet is needed for the shadow clock. (a) True (b) False
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
18. 18.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
19. 19.🔦 Which of these is opaque? (a) butter paper (b) oily paper (c) a wooden board (d) tissue paper
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
21. 21.True or false: oily paper is opaque. (a) False (b) True
22. 22.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a clock to check (c) a balloon (d) a mirror
23. 23.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a balloon (d) turmeric powder
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) a straight stick (d) chalk to mark shadows
25. 25.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
26. 26.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
27. 27.🔍 Which is the odd one out? (a) your hand (b) frosted glass (c) a steel plate (d) a book
28. 28.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a sunny open place (d) a balloon
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) chalk to mark shadows (d) a clock to check
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.True or false: yeast is not needed for the shadow clock. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) butter paper (d) air
36. 36.⚖️ 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
37. 37.True or false: clear plastic film is translucent. (a) True (b) False
38. 38.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
39. 39.⚖️ 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 time of day (d) shadow length
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) a clock to check (d) a sunny open place

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