Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 173 · 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) west (b) north (c) east (d) up
2. 2.True or false: clear plastic film is translucent. (a) False (b) True
3. 3.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) telling the time (d) weighing things
4. 4.True or false: a steel plate is translucent. (a) True (b) False
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a straight stick (d) a clock to check
9. 9.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a clock to check (d) a straight stick
10. 10.True or false: a book is opaque. (a) False (b) True
11. 11.True or false: clear glass is transparent. (a) True (b) False
12. 12.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a mirror (d) a sunny open place
13. 13.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a magnet (d) a clock to check
14. 14.⚖️ 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
15. 15.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
16. 16.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
18. 18.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
19. 19.True or false: butter paper is translucent. (a) False (b) True
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a battery cell (d) a clock to check
22. 22.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a balloon (d) a clock to check
23. 23.True or false: a wooden board is transparent. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) your hand (b) a wooden board (c) a brick (d) tissue paper
25. 25.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
26. 26.📘 Why does a shadow form? (a) light bends round it (b) the ground is dark (c) an object blocks light (d) the object is cold
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) turmeric powder
28. 28.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) your hand
29. 29.🔦 Which of these is opaque? (a) a brick (b) oily paper (c) frosted glass (d) clear plastic film
30. 30.🔦 Which of these is translucent? (a) clean water (b) a wooden board (c) clear glass (d) frosted glass
31. 31.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) a cap or hat (d) nothing on your head
32. 32.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) turmeric powder (d) a sunny open place
33. 33.⚖️ 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
34. 34.⚖️ 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 change it (c) we measure it
35. 35.⚖️ 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
36. 36.True or false: clear glass is translucent. (a) True (b) False
37. 37.🔦 Which of these is opaque? (a) clear plastic film (b) tissue paper (c) a book (d) clear glass
38. 38.🧺 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
39. 39.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
40. 40.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed

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