Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 206 · 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.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) yeast (d) chalk to mark shadows
3. 3.⚖️ 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
4. 4.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
5. 5.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
6. 6.True or false: yeast is not needed for the shadow clock. (a) False (b) True
7. 7.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) a sunny open place (d) a mirror
8. 8.🔍 Which is the odd one out? (a) air (b) a book (c) clear glass (d) clean water
9. 9.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) clear plastic film (d) a steel plate
10. 10.⚖️ 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
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
15. 15.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
16. 16.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) oily paper (d) your hand
17. 17.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
18. 18.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) missing (d) long
19. 19.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
20. 20.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a straight stick (c) a magnet (d) turmeric powder
21. 21.True or false: tissue paper is opaque. (a) False (b) True
22. 22.🔦 Which of these is transparent? (a) your hand (b) butter paper (c) air (d) a book
23. 23.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
24. 24.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a clock to check (d) a sunny open place
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
26. 26.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
27. 27.⚖️ 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
28. 28.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a magnet (c) chalk to mark shadows (d) a clock to check
29. 29.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) east (d) north
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.🔦 Which of these is opaque? (a) air (b) clean water (c) a brick (d) tissue paper
32. 32.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
33. 33.🔍 Which is the odd one out? (a) butter paper (b) a wooden board (c) oily paper (d) tissue paper
34. 34.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
35. 35.True or false: butter paper is translucent. (a) False (b) True
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
37. 37.⚖️ 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 time of day (c) the same stick (d) the same spot
38. 38.⚖️ 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) the time of day (c) shadow length (d) the same stick
39. 39.🛟 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
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) chalk to mark shadows (c) a sunny open place (d) a straight stick

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