Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 881 · 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.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
2. 2.🔦 Which of these is transparent? (a) a brick (b) frosted glass (c) a wooden board (d) clean water
3. 3.True or false: a magnet is needed for the shadow clock. (a) False (b) True
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same spot (c) the stick kept upright (d) the same stick
5. 5.⚖️ 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 stick (b) the same spot (c) the stick kept upright (d) the time of day
6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
7. 7.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
8. 8.⚖️ 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) False (b) True
9. 9.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) yeast
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a mirror (c) a sunny open place (d) a clock to check
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) False (b) True
13. 13.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a magnet (d) a straight stick
15. 15.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
16. 16.⚖️ 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
17. 17.🔦 Which of these is opaque? (a) butter paper (b) clear glass (c) air (d) a book
18. 18.True or false: clean water is transparent. (a) False (b) True
19. 19.🧺 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 balloon (d) a straight stick
20. 20.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
21. 21.⚖️ 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
22. 22.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
23. 23.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the stick grows (d) the ground slides
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
26. 26.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) late evening (d) at night
27. 27.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) turmeric powder (d) a clock to check
28. 28.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) missing (d) short
29. 29.True or false: air is translucent. (a) True (b) False
30. 30.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
31. 31.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
32. 32.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
33. 33.True or false: your hand is transparent. (a) False (b) True
34. 34.⚖️ 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
35. 35.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) runs faster (d) does not work well
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 keep it the same (b) we measure it (c) we change it
37. 37.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
38. 38.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) frosted glass (b) a book (c) tissue paper (d) oily paper

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