Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 465 · 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.True or false: a book is transparent. (a) True (b) False
2. 2.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
3. 3.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a straight stick (d) a sunny open place
4. 4.⚖️ 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 stick
5. 5.🧺 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
6. 6.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) tissue paper (d) clear glass
7. 7.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) yeast (c) a magnet (d) a balloon
10. 10.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening
11. 11.⚖️ 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
12. 12.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🛟 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
15. 15.🔍 Which is the odd one out? (a) frosted glass (b) clean water (c) oily paper (d) tissue paper
16. 16.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
17. 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a battery cell (c) a straight stick (d) a sunny open place
18. 18.⚖️ 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) shadow length (c) the time of day (d) the same spot
19. 19.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a straight stick (d) a sunny open place
20. 20.🔦 Which of these is opaque? (a) your hand (b) oily paper (c) tissue paper (d) clear glass
21. 21.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a mirror (d) a battery cell
22. 22.True or false: a steel plate is opaque. (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 the one thing we change. (a) True (b) False
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) False (b) True
26. 26.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) west (d) up
27. 27.True or false: a balloon is needed for the shadow clock. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) clear glass (d) butter paper
29. 29.🔍 Which is the odd one out? (a) butter paper (b) a book (c) tissue paper (d) oily paper
30. 30.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a battery cell (d) a straight stick
31. 31.⚖️ 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
32. 32.True or false: butter paper is transparent. (a) False (b) True
33. 33.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
34. 34.True or false: a brick is translucent. (a) True (b) False
35. 35.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) weighing things (d) telling the time
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) coloured (d) bigger
38. 38.🔍 Which is the odd one out? (a) your hand (b) clear plastic film (c) clean water (d) clear glass
39. 39.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
40. 40.🧺 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

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