Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 286 · 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.⚖️ 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
2. 2.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a magnet (c) a balloon (d) a straight stick
3. 3.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
4. 4.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) coloured (d) bigger
5. 5.True or false: air is translucent. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) a brick (b) your hand (c) clear plastic film (d) a book
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a clock to check (d) a balloon
8. 8.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
9. 9.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
10. 10.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
11. 11.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) frosted glass (d) a wooden board
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
13. 13.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a straight stick (c) a clock to check (d) a sunny open place
14. 14.🔍 Which is the odd one out? (a) a book (b) air (c) clear glass (d) clear plastic film
15. 15.⚖️ 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
16. 16.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
17. 17.⚖️ 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
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
20. 20.⚖️ 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 same spot (c) the time of day (d) the stick kept upright
21. 21.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
22. 22.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
23. 23.⚖️ 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
24. 24.🔦 Which of these is opaque? (a) a wooden board (b) clear glass (c) oily paper (d) tissue paper
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) False (b) True
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) the stick kept upright (d) shadow length
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a clock to check (d) a sunny open place
28. 28.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
29. 29.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
30. 30.🔦 Which of these is opaque? (a) butter paper (b) clean water (c) a book (d) clear glass
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a mirror
32. 32.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) air (d) frosted glass
33. 33.⚖️ 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
34. 34.True or false: a wooden board is translucent. (a) False (b) True
35. 35.🧺 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 straight stick
36. 36.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) sit in the shade (d) mark with chalk
37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a balloon (c) chalk to mark shadows (d) a sunny open place
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.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) turmeric powder (d) a straight stick
40. 40.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat

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