Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 396 · 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.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
2. 2.⚖️ 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
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same spot (c) the same stick (d) the time of day
4. 4.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) a brick (d) clean water
5. 5.🌍 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
6. 6.⚖️ 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
7. 7.🧺 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 clock to check (d) a magnet
8. 8.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
9. 9.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
10. 10.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) a straight stick (d) turmeric powder
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the stick kept upright
12. 12.⚖️ 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
13. 13.🔦 Which of these is opaque? (a) clean water (b) butter paper (c) a book (d) frosted glass
14. 14.🔍 Which is the odd one out? (a) tissue paper (b) butter paper (c) a wooden board (d) frosted glass
15. 15.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) coloured (d) bigger
16. 16.⚖️ 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 keep it the same (c) we change it
17. 17.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a magnet (d) chalk to mark shadows
18. 18.🔦 Which of these is opaque? (a) a steel plate (b) clean water (c) oily paper (d) clear glass
19. 19.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up
20. 20.⚖️ 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) shadow length (c) the time of day
21. 21.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) tissue paper (d) air
22. 22.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
23. 23.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a balloon
24. 24.🔦 Which of these is opaque? (a) butter paper (b) tissue paper (c) your hand (d) oily paper
25. 25.🔦 Which of these is opaque? (a) a wooden board (b) oily paper (c) air (d) butter paper
26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a straight stick (c) a sunny open place (d) a clock to check
27. 27.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the time of day (c) shadow length (d) the same spot
29. 29.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
30. 30.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) a mirror (d) a clock to check
31. 31.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
32. 32.True or false: frosted glass is transparent. (a) False (b) True
33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a battery cell (d) chalk to mark shadows
34. 34.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
35. 35.⚖️ 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 change it (c) we measure it
36. 36.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) butter paper (d) a book
37. 37.🔦 Is air opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
38. 38.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
39. 39.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
40. 40.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed

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