Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 896 · 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 the one thing we change. (a) True (b) False
2. 2.True or false: air is transparent. (a) False (b) True
3. 3.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
4. 4.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
5. 5.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a balloon (d) a straight stick
6. 6.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) a mirror (d) a straight stick
7. 7.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a mirror
9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) turmeric powder (d) chalk to mark shadows
10. 10.⚖️ 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
11. 11.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
12. 12.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
13. 13.🔦 Which of these is transparent? (a) oily paper (b) frosted glass (c) a steel plate (d) clear glass
14. 14.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) clean water (d) tissue paper
15. 15.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) brighter (c) coloured (d) smaller
16. 16.🧺 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
17. 17.⚖️ 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
18. 18.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up
19. 19.🔍 Which is the odd one out? (a) a book (b) frosted glass (c) butter paper (d) tissue paper
20. 20.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
21. 21.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
22. 22.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
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.⚖️ 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
25. 25.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.⚖️ 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
28. 28.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
29. 29.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
30. 30.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clear glass (d) a steel plate
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
32. 32.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a battery cell (c) chalk to mark shadows (d) a clock to check
33. 33.🧺 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 sunny open place (d) a balloon
34. 34.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
35. 35.⚖️ 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 stick kept upright (c) shadow length (d) the same stick
36. 36.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a magnet (d) a mirror
37. 37.⚖️ 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
38. 38.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
39. 39.🔍 Which is the odd one out? (a) clear glass (b) clear plastic film (c) butter paper (d) clean water
40. 40.🔦 Which of these is opaque? (a) frosted glass (b) oily paper (c) a wooden board (d) clear glass

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