Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 466 · 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.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a raincoat (d) a cap or hat
2. 2.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) butter paper (d) a brick
3. 3.True or false: your hand is translucent. (a) True (b) False
4. 4.🧺 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 mirror (d) a sunny open place
5. 5.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
6. 6.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
7. 7.🔦 Which of these is translucent? (a) a book (b) a steel plate (c) frosted glass (d) air
8. 8.🔍 Which is the odd one out? (a) clean water (b) air (c) clear glass (d) oily paper
9. 9.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) around noon (d) early morning
10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) long (d) round
11. 11.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) yeast
12. 12.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
13. 13.⚖️ 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 same stick
14. 14.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
15. 15.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
16. 16.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
17. 17.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) your hand (d) frosted glass
18. 18.🔦 Which of these is translucent? (a) clear glass (b) a book (c) tissue paper (d) a brick
19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
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 change it (b) we measure it (c) we keep it the same
21. 21.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
22. 22.True or false: clear plastic film is translucent. (a) False (b) True
23. 23.🛟 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
24. 24.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) tissue paper (d) a book
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a balloon (d) a clock to check
26. 26.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) brighter (d) smaller
27. 27.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
28. 28.🔦 Which of these is opaque? (a) oily paper (b) clear glass (c) a book (d) frosted glass
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
30. 30.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
31. 31.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the ground slides (d) the stick walks
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
33. 33.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) clean water (b) a steel plate (c) air (d) clear glass
35. 35.🔦 Which of these is transparent? (a) clear glass (b) frosted glass (c) a book (d) tissue paper
36. 36.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) clean water (d) a steel plate
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a balloon (d) a clock to check
39. 39.⚖️ 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) False (b) True
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a battery cell (d) chalk to mark shadows

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