Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 252 · 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.🔦 Which of these is transparent? (a) clear plastic film (b) your hand (c) a wooden board (d) a book
2. 2.🔦 Which of these is translucent? (a) butter paper (b) clear plastic film (c) a steel plate (d) air
3. 3.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
4. 4.🔦 Which of these is opaque? (a) frosted glass (b) a book (c) tissue paper (d) butter paper
5. 5.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
6. 6.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
7. 7.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) nothing on your head (d) a cap or hat
8. 8.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a mirror (c) chalk to mark shadows (d) a sunny open place
9. 9.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
10. 10.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a wooden board (b) oily paper (c) butter paper (d) frosted glass
12. 12.🔦 Which of these is transparent? (a) frosted glass (b) air (c) tissue paper (d) a wooden board
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a balloon
15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) turmeric powder (c) chalk to mark shadows (d) a sunny open place
16. 16.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a straight stick (d) a clock to check
17. 17.🔦 Which of these is transparent? (a) a book (b) clean water (c) a steel plate (d) frosted glass
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 spot (b) shadow length (c) the stick kept upright (d) the time of day
19. 19.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
21. 21.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
22. 22.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
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.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
25. 25.⚖️ 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) the same spot (c) shadow length
26. 26.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
27. 27.🔍 Which is the odd one out? (a) a book (b) your hand (c) clear glass (d) a steel plate
28. 28.🔦 Which of these is opaque? (a) your hand (b) frosted glass (c) butter paper (d) clean water
29. 29.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) late evening (d) around noon
30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clear glass (d) your hand
32. 32.🔍 Which is the odd one out? (a) clear plastic film (b) a book (c) a steel plate (d) your hand
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a magnet (d) chalk to mark shadows
35. 35.True or false: butter paper is opaque. (a) True (b) False
36. 36.⚖️ 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 keep it the same (c) we measure it
37. 37.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) oily paper (d) a book
38. 38.⚖️ 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
39. 39.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
40. 40.True or false: frosted glass is opaque. (a) False (b) True

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