Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 654 · 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: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
2. 2.🔦 Which of these is transparent? (a) your hand (b) a steel plate (c) a book (d) clean water
3. 3.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) frosted glass (d) a brick
4. 4.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
5. 5.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a balloon (d) a clock to check
6. 6.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a clock to check (d) a balloon
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
9. 9.⚖️ 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) False (b) True
10. 10.⚖️ 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
11. 11.⚖️ 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 keep it the same (c) we measure it
12. 12.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) sit in the shade (d) wear a cap
13. 13.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
14. 14.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) around noon (d) early morning
15. 15.⚖️ 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) shadow length (c) the same stick
16. 16.⚖️ 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
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a magnet (d) a clock to check
20. 20.🔦 Is air opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
21. 21.True or false: a steel plate is opaque. (a) True (b) False
22. 22.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
23. 23.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
24. 24.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) runs faster (d) does not work well
25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) west (d) east
26. 26.🔍 Which is the odd one out? (a) a brick (b) clean water (c) a wooden board (d) your hand
27. 27.⚖️ 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
28. 28.🔦 Which of these is transparent? (a) frosted glass (b) oily paper (c) a brick (d) clear plastic film
29. 29.True or false: a brick is opaque. (a) True (b) False
30. 30.⚖️ 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 keep it the same (c) we measure it
31. 31.⚖️ 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) False (b) True
32. 32.True or false: a wooden board is translucent. (a) False (b) True
33. 33.🔦 Which of these is translucent? (a) frosted glass (b) a steel plate (c) a book (d) a brick
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.⚖️ 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
36. 36.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) butter paper (d) your hand
38. 38.⚖️ 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 measure it (c) we keep it the same
39. 39.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
40. 40.🔦 Which of these is translucent? (a) a book (b) butter paper (c) clear plastic film (d) a brick

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