Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 557 · 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.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
2. 2.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the ground slides (d) the stick grows
3. 3.⚖️ 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
4. 4.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) smaller (d) coloured
5. 5.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
6. 6.🔍 Which is the odd one out? (a) a steel plate (b) tissue paper (c) butter paper (d) oily paper
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) chalk to mark shadows (d) a straight stick
8. 8.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
9. 9.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a book (d) butter paper
10. 10.🧺 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 mirror (d) chalk to mark shadows
11. 11.⚖️ 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 change it (c) we keep it the same
12. 12.🧺 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 magnet (d) a sunny open place
13. 13.🔦 Which of these is opaque? (a) clear glass (b) air (c) a brick (d) tissue paper
14. 14.True or false: butter paper is transparent. (a) True (b) False
15. 15.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a balloon (c) a magnet (d) a sunny open place
16. 16.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
17. 17.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
18. 18.⚖️ 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 spot
19. 19.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) clean water (d) a brick
20. 20.True or false: yeast is needed for the shadow clock. (a) True (b) False
21. 21.🔦 Which of these is transparent? (a) a wooden board (b) clear plastic film (c) frosted glass (d) your hand
22. 22.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
23. 23.🔍 Which is the odd one out? (a) butter paper (b) a wooden board (c) oily paper (d) tissue paper
24. 24.⚖️ 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) True (b) False
25. 25.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
26. 26.⚖️ 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 measure it (c) we keep it the same
27. 27.True or false: yeast is not needed for the shadow clock. (a) True (b) False
28. 28.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) chalk to mark shadows (d) a sunny open place
29. 29.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
31. 31.True or false: a magnet is needed for the shadow clock. (a) True (b) False
32. 32.⚖️ 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
33. 33.⚖️ 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) shadow length (c) the same spot (d) the time of day
34. 34.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
35. 35.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) shadow length (d) the same stick
37. 37.True or false: a brick is opaque. (a) False (b) True
38. 38.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
39. 39.🔦 Which of these is transparent? (a) a book (b) your hand (c) clean water (d) oily paper
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a straight stick (d) chalk to mark shadows

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