Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 544 · 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.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
2. 2.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the stick walks (d) the ground slides
3. 3.🔍 Which is the odd one out? (a) butter paper (b) a steel plate (c) oily paper (d) tissue paper
4. 4.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
6. 6.🔦 Which of these is opaque? (a) frosted glass (b) butter paper (c) a wooden board (d) air
7. 7.🔍 Which is the odd one out? (a) air (b) your hand (c) a wooden board (d) a steel plate
8. 8.⚖️ 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
9. 9.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) a sunny open place (d) a clock to check
10. 10.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
11. 11.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) turmeric powder (d) chalk to mark shadows
12. 12.True or false: tissue paper is translucent. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) tissue paper (b) butter paper (c) oily paper (d) clear plastic film
14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
15. 15.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
16. 16.🔦 Which of these is translucent? (a) clear glass (b) tissue paper (c) a book (d) your hand
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) the time of day (c) shadow length
18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) turmeric powder
19. 19.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🔦 Which of these is translucent? (a) clear plastic film (b) butter paper (c) a wooden board (d) a book
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) yeast (d) a straight stick
23. 23.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) measuring rain (d) telling the time
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a mirror (c) chalk to mark shadows (d) a sunny open place
25. 25.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
26. 26.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) your hand (b) a wooden board (c) butter paper (d) a brick
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) shadow length (d) the same spot
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a brick (b) clean water (c) clear plastic film (d) clear glass
31. 31.🌞 When is a stick’s shadow the shortest? (a) around noon (b) late evening (c) early morning (d) at night
32. 32.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a battery cell
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a straight stick (c) chalk to mark shadows (d) a clock to check
34. 34.🔍 Which is the odd one out? (a) your hand (b) a book (c) a steel plate (d) clear glass
35. 35.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
36. 36.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
37. 37.🔦 Which of these is opaque? (a) a brick (b) clean water (c) frosted glass (d) oily paper
38. 38.⚖️ 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
39. 39.⚖️ 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
40. 40.True or false: your hand is transparent. (a) False (b) True

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