Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 920 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) the time of day (c) shadow length
2. 2.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) late evening (d) early morning
3. 3.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
4. 4.True or false: oily paper is opaque. (a) False (b) True
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a sunny open place (d) yeast
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) a sunny open place (d) a straight stick
7. 7.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) a steel plate (d) a book
8. 8.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
9. 9.⚖️ 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
10. 10.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
11. 11.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short
12. 12.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
13. 13.🔦 Which of these is transparent? (a) a wooden board (b) a brick (c) oily paper (d) air
14. 14.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) measuring rain (d) telling the time
15. 15.⚖️ 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 time of day (d) shadow length
16. 16.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
17. 17.🔦 Which of these is transparent? (a) oily paper (b) clear glass (c) butter paper (d) tissue paper
18. 18.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the time of day (c) the same spot (d) shadow length
20. 20.True or false: tissue paper is translucent. (a) False (b) True
21. 21.⚖️ 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
22. 22.⚖️ 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 change it (c) we measure it
23. 23.⚖️ 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
24. 24.🔦 Which of these is opaque? (a) oily paper (b) a steel plate (c) clean water (d) butter paper
25. 25.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
26. 26.🔦 Which of these is opaque? (a) air (b) a brick (c) clear glass (d) oily paper
27. 27.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
28. 28.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
29. 29.⚖️ 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
30. 30.🛟 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
31. 31.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a mirror (d) a balloon
32. 32.⚖️ 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 change it (c) we measure it
33. 33.🔦 Which of these is transparent? (a) a wooden board (b) clear plastic film (c) a brick (d) a steel plate
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
35. 35.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a battery cell (c) a sunny open place (d) a straight stick
36. 36.True or false: clear plastic film is translucent. (a) True (b) False
37. 37.⚖️ 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) True (b) False
38. 38.True or false: butter paper is opaque. (a) False (b) True
39. 39.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) up (d) north
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) turmeric powder (d) chalk to mark shadows

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